Southern California freeways
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The Southern California freeways are a vast network of interconnected
freeways A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms i ...
in the
megaregion A megalopolis () or a supercity, also called a megaregion, is a group of metropolitan areas which are perceived as a continuous urban area through common systems of transport, economy, resources, ecology, and so on. They are integrated enoug ...
of
Southern California Southern California (commonly shortened to SoCal) is a geographic and Cultural area, cultural region that generally comprises the southern portion of the U.S. state of California. It includes the Los Angeles metropolitan area, the second most po ...
, serving a population of 23 million people. The Master Plan of Metropolitan Los Angeles Freeways was adopted by the Regional Planning Commission in 1947 and construction began in the early 1950s. The plan hit opposition and funding limitations in the 1970s, and by 2004, only some 61% of the original planned network had been completed. The region is well known for its freeways, and they are considered a cultural touchstone.


History


Origins

Southern California's romance with the automobile owes in large part to resentment of the
Southern Pacific Railroad The Southern Pacific (or Espee from the railroad initials- SP) was an American Class I railroad network that existed from 1865 to 1996 and operated largely in the Western United States. The system was operated by various companies under the ...
's tight control over the region's commerce in the late 19th and early 20th centuries. During his successful campaign for governor in 1910, anti-Southern Pacific candidate
Hiram Johnson Hiram Warren Johnson (September 2, 1866August 6, 1945) was an American attorney and politician who served as the Governor of California, 23rd governor of California from 1911 to 1917. Johnson achieved national prominence in the early 20th century ...
traveled the state by car, which was no small feat at that time. In the minds of Southlanders, this associated the automobile with clean, progressive government, in stark contrast to the railroads' control over the corrupt governments of the
Midwest The Midwestern United States, also referred to as the Midwest or the American Midwest, is one of four Census Bureau Region, census regions of the United States Census Bureau (also known as "Region 2"). It occupies the northern central part of ...
and
Northeast The points of the compass are a set of horizontal, radially arrayed compass directions (or azimuths) used in navigation and cartography. A compass rose is primarily composed of four cardinal directions—north, east, south, and west—each se ...
. While the Southern Pacific-owned
Pacific Electric Railway The Pacific Electric Railway Company, nicknamed the Red Cars, was a privately owned mass transit system in Southern California consisting of electrically powered streetcars, interurban cars, and buses and was the largest electric railway system ...
's famous Red Car streetcar lines were the axis of urbanization in
Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
during its period of spectacular growth in the 1910s and 1920s, they were unprofitable and increasingly unattractive compared to automobiles. As cars became cheaper and began to fill the region's roads in the 1920s, Pacific Electric lost ridership. Traffic congestion soon threatened to choke off the region's development altogether. At the same time, a number of influential
urban planners An urban planner (also known as town planner) is a professional who practices in the field of town planning, urban planning or city planning. An urban planner may focus on a specific area of practice and have a title such as city planner, town ...
were advocating the construction of a network of what one widely read book dubbed "Magic
Motorway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms i ...
s", as the backbone of
suburb A suburb (more broadly suburban area) is an area within a metropolitan area, which may include commercial and mixed-use, that is primarily a residential area. A suburb can exist either as part of a larger city/urban area or as a separate ...
an development. These "
greenbelt A green belt is a policy and land-use zone designation used in land-use planning to retain areas of largely undeveloped, wild, or agricultural land surrounding or neighboring urban areas. Similar concepts are greenways or green wedges, which hav ...
" advocates called for decentralized, automobile-oriented development as a means of remedying both urban overcrowding and declining rates of home ownership. Traffic congestion was of such great concern by the late 1930s in the
Los Angeles metropolitan area Greater Los Angeles is the second-largest metropolitan region in the United States with a population of 18.5 million in 2021, encompassing five counties in Southern California extending from Ventura County in the west to San Bernardino Coun ...
that the influential
Automobile Club of Southern California The Automobile Club of Southern California is the Southern California affiliate of the American Automobile Association (AAA) federation of motor clubs. The Auto Club was founded on December 13, 1900, in Los Angeles as one of the nation's first mo ...
engineered an elaborate plan to create an elevated freeway-type "Motorway System," a key aspect of which was the dismantling of the streetcar lines, to be replaced with buses that could run on both local streets and on the new express roads. In the late 1930s, when the freeway system was originally planned locally by Los Angeles
city planner An urban planner (also known as town planner) is a professional who practices in the field of town planning, urban planning or city planning. An urban planner may focus on a specific area of practice and have a title such as city planner, town ...
s, they had intended for light rail tracks to have been installed in the center margin of each freeway (which would presumably have carried
Pacific Electric Railway The Pacific Electric Railway Company, nicknamed the Red Cars, was a privately owned mass transit system in Southern California consisting of electrically powered streetcars, interurban cars, and buses and was the largest electric railway system ...
red cars), but this plan was never fully implemented.


Planning and construction

During
World War II World War II or the Second World War, often abbreviated as WWII or WW2, was a world war that lasted from 1939 to 1945. It involved the vast majority of the world's countries—including all of the great powers—forming two opposin ...
, transportation bottlenecks on Southern California roads and railways convinced many that if Southern California was to accommodate a large population, it needed a completely new transportation system. The city of Los Angeles favored an upgraded rail transit system focused on its central city. However, the success of the
Arroyo Seco Parkway The Arroyo Seco Parkway, also known as the Pasadena Freeway, is one of the oldest freeways built in the United States. It connects Los Angeles with Pasadena alongside the Arroyo Seco seasonal river. It is notable not only for being an early fr ...
, built between Los Angeles and
Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...
in 1940, convinced many that a freeway system could solve the region's transportation problems. Leaders of surrounding cities, such as Whittier, South Gate,
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
, and Pasadena, accordingly called for a web of freeways to connect the whole region, rather than funneling their residents out of their own downtowns and into that of Los Angeles. Pro-freeway sentiments prevailed, and by 1947, a new comprehensive freeway plan for Los Angeles (based largely on the original locally planned 1930s system, but without the light rail tracks in the median strips of the freeways) had been drawn up by the California Department of Public Works (now
Caltrans The California Department of Transportation (Caltrans) is an Executive (government), executive department of the U.S. state of California. The department is part of the Government of California#State agencies, cabinet-level California State Tran ...
).
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
soon followed suit, and by the early 1950s, construction had begun on much of the region's freeway system.


Proposed/future freeways

Caltrans or local transportation agencies have identified the following priority freeway projects: *A
toll road A toll road, also known as a turnpike or tollway, is a public or private road (almost always a controlled-access highway in the present day) for which a fee (or ''toll'') is assessed for passage. It is a form of road pricing typically implemented ...
that will go through a tunnel in the Santa Ana Mountains from
Irvine Irvine may refer to: Places On Earth Antarctica *Irvine Glacier *Mount Irvine (Antarctica) Australia *Irvine Island *Mount Irvine, New South Wales Canada *Irvine, Alberta * Irvine Inlet, Nunavut United Kingdom *Irvine, North Ayrshire, Scotla ...
to
Corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
. *Upgrading State Route 210 to
Interstate standards Standards for Interstate Highways in the United States are defined by the American Association of State Highway and Transportation Officials (AASHTO) in the publication ''A Policy on Design Standards: Interstate System''. For a certain highway to ...
and renumbering the route Interstate 210. *A new freeway, the Mid County Parkway, from Interstate 215 in
Perris Perris is an old railway city in Riverside County, California, United States, located east-southeast of Los Angeles and north of San Diego. It is known for Lake Perris, an artificial lake, skydiving, and its sunny dry climate. Perris is wit ...
to State Route 79 in San Jacinto. *An extension for
Interstate 710 Route 710, consisting of the non-contiguous segments of State Route 710 (SR 710) and Interstate 710 (I-710), is a major north–south state highway and auxiliary Interstate Highway in the Los Angeles metropolitan area of the ...
, the
Long Beach Freeway Long may refer to: Measurement * Long, characteristic of something of great duration * Long, characteristic of something of great length * Longitude (abbreviation: long.), a geographic coordinate * Longa (music), note value in early music mens ...
, to its originally planned terminus at Interstate 210,
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...
, in
Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...
, via a
tunnel A tunnel is an underground passageway, dug through surrounding soil, earth or rock, and enclosed except for the entrance and exit, commonly at each end. A pipeline is not a tunnel, though some recent tunnels have used immersed tube cons ...
underneath the city of South Pasadena or some other means. Caltrans, however, cancelled the project in November 2018. *An extension to the State Route 241
toll road A toll road, also known as a turnpike or tollway, is a public or private road (almost always a controlled-access highway in the present day) for which a fee (or ''toll'') is assessed for passage. It is a form of road pricing typically implemented ...
to meet
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
in or near
San Clemente San Clemente (; Spanish for " St. Clement") is a city in Orange County, California. Located in the Orange Coast region of the South Coast of California, San Clemente's population was 64,293 in at the 2020 census. Situated roughly midway betwee ...
. *Upgrading State Route 71, the
Chino Valley Freeway Chino or El Chino may refer to: Art, entertainment, and media * ''Chino'' (1973 film), an Italian film starring Charles Bronson * ''Chino'' (1991 film), a Nepali film Places * Chino, California, a city in San Bernardino County, California, US ...
, to a full controlled-access freeway north of State Route 60, the
Pomona Freeway Pomona may refer to: Places Argentina * Pomona, Río Negro Australia * Pomona, Queensland, Australia, a town in the Shire of Noosa * Pomona, New South Wales, Australia Belize * Pomona, Belize, a List of municipalities in Belize#Stann Creek Dist ...
, to
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
, the
San Bernardino Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
, in Pomona. *Upgrading State Route 55, the
Costa Mesa Freeway Costa may refer to: Biology * Rib (Latin: ''costa''), in vertebrate anatomy * Costa (botany), the central strand of a plant leaf or thallus * Costa (coral), a stony rib, part of the skeleton of a coral * Costa (entomology), the leading edge of ...
, from south of its current freeway terminus at 19th Street in
Costa Mesa Costa may refer to: Biology * Rib (Latin: ''costa''), in vertebrate anatomy * Costa (botany), the central strand of a plant leaf or thallus * Costa (coral), a stony rib, part of the skeleton of a coral * Costa (entomology), the leading edge of t ...
to State Route 1, Pacific Coast Highway, in
Newport Beach Newport Beach is a coastal city in South Orange County, California. Newport Beach is known for swimming and sandy beaches. Newport Harbor once supported maritime industries however today, it is used mostly for recreation. Balboa Island, Newport ...
, potentially via a tunnel. *Construction of the High Desert Corridor, a freeway and
expressway Expressway may refer to: * Controlled-access highway, the highest-grade type of highway with access ramps, lane markings, etc., for high-speed traffic. * Limited-access road, a lower grade of highway or arterial road. *Expressway, the fictional s ...
between State Route 14, the
Antelope Valley Freeway The term antelope is used to refer to many species of even-toed ruminant that are indigenous to various regions in Africa and Eurasia. Antelope comprise a wastebasket taxon defined as any of numerous Old World grazing and browsing hoofed mammals ...
, in
Palmdale Palmdale is a city in northern Los Angeles County in the U.S. state of California. The city lies in the Antelope Valley region of Southern California. The San Gabriel Mountains separate Palmdale from the Los Angeles Basin to the south. On Aug ...
and
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
, the
Mojave Freeway Mojave or Mohave most often refers to: *Mojave Desert *Mojave River *Mohave people *Mojave language Mojave or Mohave may also refer to: Places * Fort Mojave Indian Reservation * Mohave County, Arizona * Mohave Valley, a valley in Arizona * Mohav ...
, near
Victorville Victorville is a city in Victor Valley in San Bernardino County, California. Its population as of the 2020 census was 134,810. History In 1858, Aaron G. Lane came to what is now known as Victorville and founded a waystation called "Lane's Cro ...
. It would also carry a high-speed rail line to
Las Vegas, Nevada Las Vegas (; Spanish for "The Meadows"), often known simply as Vegas, is the 25th-most populous city in the United States, the most populous city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vegas ...
. Caltrans put the freeway on hold in 2019. *State Route 48 is a completely unconstructed 25.5-mile (41.03 km) freeway to connect at the current SR 14/138 junction and West Avenue E, go east running parallel with East Avenue E and East Avenue G, and terminate in Hi Vista at East Avenue G/200th Street East, at the planned SR 122 freeway. *State Route 122 is a completely unconstructed 61.3-mile (98.7 km) freeway, defined to run from SR 14 south of Palmdale, and proceed northeast through Hi Vista, and terminate at the current U.S. 395/SR 58 at Kramer Junction. *State Route 249 is a 13.5-mile (21.7 km) unconstructed route that would connect SR 2 north of La Cañada Flintridge with SR 14 south of Palmdale. Angeles Forest Highway (CR N3) follows the general alignment, but Caltrans has no plans to take it over. However, there are plans to explore the building of this route between Palmdale and Los Angeles by tunneling through the mountains. *A toll road that would run from SR 126 to SR 118 in Simi Valley through the
Santa Susana Mountains The Santa Susana Mountains are a transverse range of mountains in Southern California, north of the city of Los Angeles, in the United States. The range runs east-west, separating the San Fernando and Simi valleys on its south from the Santa Cla ...
(proposed in August 1990). The only north–south highways that connect SR 126 with SR 118 are I-5 and SR 23. Motorists on SR 126 can use this route to reach Simi Valley without having to use
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
via
Newhall Pass Newhall Pass is a low mountain pass in Los Angeles County, California. Historically called Fremont Pass and San Fernando Pass, with Beale's Cut, it separates the Santa Susana Mountains from the San Gabriel Mountains. Although the pass was visite ...
to SR 118 or SR 23 to Moorpark and vice versa. A good traversable route would be Tapo Canyon Road, Windmill Canyon Road, and Pico Canyon Road, but Caltrans has no plans to take it over.


Naming


Freeway names

Southern California residents idiomatically refer to freeways with the definite article, as "the reeway number/nowiki>", e.g. "the 5" or "the 10". This use of the article differs from other American dialects, including that of Northern California, but is the same as in the UK (e.g. "Take the M1 to the M25") and other European countries (e.g. "La A1"). In addition, sections of the southern California freeway system are often referred to by names rather than by the official numbers. For example, the names Santa Monica and San Bernardino are used for segments of the
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
even though overhead freeway signs installed at interchanges since the 1990s don't display these names, using instead the highway number, direction, and
control city A control city is a city, locality, or other location posted on a series of traffic signs along a particular stretch of road indicating destinations on that route. Together with route numbers and cardinal directions, these focal points aid the mo ...
. A freeway 'name' may refer to portions of two or more differently numbered routes; for example, the
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
consists of portions of
U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
and State Route 134, and the
San Diego Freeway The San Diego Freeway is one of the named principal Southern California freeways. It consists of the following two segments: *Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United S ...
consists of portions of
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
and the full length of Interstate 405. When Southern California freeways were built in the 1940s and early 1950s, local common usage was primarily the freeway name preceded by the definite article. It took several decades for Southern California locals to start to also commonly refer to the freeways with the numerical designations, but the usage of the definite article persisted. For example, the San Gabriel River Freeway evolved into "the 605 Freeway" and then shortened to "the 605".


Named interchanges

* Four Level (
Bill Keene Bill Keene (1927 – April 5, 2000) was a television and radio personality who became famous in the Los Angeles, California market as a traffic and weather announcer. He was particularly known for his colorful humorous traffic reports which inclu ...
Memorial): * Dosan Ahn Chang Ho Memorial: *
East Los Angeles East Los Angeles ( es, Este de Los Ángeles), or East L.A., is an unincorporated area in Los Angeles County, California. As of the 2020 census it had a population of 118,786, a drop of 6.1% from 2010, when it was 126,496. For statistical purpo ...
: *
Hollywood Split The Hollywood Split (officially Bruce T. Hinman Memorial Interchange) is a freeway interchange in the San Fernando Valley area of Los Angeles, California. The interchange is officially named in the memory of California Highway Patrol officer Bruc ...
(Bruce T. Hinman Memorial): * Judge Harry Pregerson: *
El Toro Y The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
: Southern junction of * Kellogg: *
Orange Crush Crush is a brand of carbonated soft drinks owned and marketed internationally by Keurig Dr Pepper, originally created as an orange soda, Orange Crush. Crush competes with Coca-Cola's Fanta. It was created in 1911 by beverage and extract chemist ...
: *
Newhall Pass Newhall Pass is a low mountain pass in Los Angeles County, California. Historically called Fremont Pass and San Fernando Pass, with Beale's Cut, it separates the Santa Susana Mountains from the San Gabriel Mountains. Although the pass was visite ...
(Clarence Wayne Dean Memorial): * Glendora Curve: * Jack Schrade (Mission Valley Viaduct): *
Marilyn Jorgenson Reece Marilyn Jorgenson Reece (September 8, 1926 – May 15, 2004) was an American civil engineer, and the first woman to be licensed as a civil engineer by the state of California. She designed an innovative interchange in the 1960s that handled fast ...
Memorial Interchange:


Other named features

* Downtown Slot: where
Highway 101 Highway 101 was an American country music band founded in 1986 in Los Angeles, California. The initial lineup consisted of Paulette Carlson (lead vocals), Jack Daniels (guitar), Curtis Stone (bass guitar, vocals), and Scott "Cactus" Moser (drums) ...
passes through a trench in Downtown Los Angeles. * South Bay Curve: where Interstate 405 bends from north–south to east–west in Torrance *
Sepulveda Pass Sepulveda Pass (elevation ) is a low mountain pass through the Santa Monica Mountains in Los Angeles. It is named after the Sepúlveda family of California, a prominent Californio family that owned the land where the pass lies. It connects the ...
: Interstate 405 just south of
U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
near the
J. Paul Getty Museum The J. Paul Getty Museum, commonly referred to as the Getty, is an art museum in Los Angeles, California housed on two campuses: the Getty Center and Getty Villa. The Getty Center is located in the Brentwood, Los Angeles, Brentwood neighborhood ...
. *
Cahuenga Pass The Cahuenga Pass (, ; Tongva: ''Kawé’nga'') is a low mountain pass through the eastern end of the Santa Monica Mountains in the Hollywood Hills district of the City of Los Angeles, California. It has an elevation of . The Cahuenga Pass connec ...
: the
Hollywood Freeway The Hollywood Freeway is one of the principal freeways of Los Angeles, California (the boundaries of which it does not leave) and one of the busiest in the United States. It is the principal route through the Cahuenga Pass, the primary shortcut ...
just south of the interchange with the
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
* Figueroa Street Tunnels: the northbound lanes of the
Pasadena Freeway Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. I ...
between the
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
and the interchange with the
Golden State Freeway Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in ...
* Glendora Curve: the transition of the northbound 57
Orange Freeway Orange most often refers to: *Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis'' ** Orange blossom, its fragrant flower *Orange (colour), from the color of an orange, occurs between red and yellow in the visible spectrum * ...
to the westbound 210
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...
; or the eastbound 210 transition to the southbound 57. Formerly part of Interstate 210 before the completion of the newer section of the Foothill Freeway in 2003.


Comparisons and 'firsts'

* First freeway in California (
Arroyo Seco Parkway The Arroyo Seco Parkway, also known as the Pasadena Freeway, is one of the oldest freeways built in the United States. It connects Los Angeles with Pasadena alongside the Arroyo Seco seasonal river. It is notable not only for being an early fr ...
linking
Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...
and
Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
) * First
stack interchange A directional interchange, colloquially known as a stack interchange, is a type of grade-separated junction between two controlled-access highways that allows for free-flowing movement to and from all directions of traffic. These interchanges e ...
(
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
in downtown Los Angeles) * First grade-separated HOV lanes * First fully automated tollway system (
91 Express Lanes State Route 91 (SR 91) is a major east–west state highway in the U.S. state of California that serves several regions of the Greater Los Angeles urban area. A freeway throughout its entire length, it officially runs from Vermont Avenue i ...
in northern Orange County) The Southern California area has fewer lane-miles per capita than most large metropolitan areas in the United States, ranking 31st of the top 39. As of 1999, Greater Los Angeles had 0.419 lane-miles per 1,000 people, only slightly more than Greater New York City and fewer than
Greater Boston Greater Boston is the metropolitan region of New England encompassing the municipality of Boston (the capital of the U.S. state of Massachusetts and the most populous city in New England) and its surrounding areas. The region forms the northern ar ...
, the
Washington Metropolitan Area The Washington metropolitan area, also commonly referred to as the National Capital Region, is the metropolitan area centered on Washington, D.C. The metropolitan area includes all of Washington, D.C. and parts of the states of Maryland, Virgin ...
and the
San Francisco Bay Area The San Francisco Bay Area, often referred to as simply the Bay Area, is a populous region surrounding the San Francisco, San Pablo, and Suisun Bay estuaries in Northern California. The Bay Area is defined by the Association of Bay Area Go ...
. (American metros average .613 lane-miles per thousand.) San Diego ranked 17th in the same study, with 0.659 lane-miles per thousand, and the
Inland Empire The Inland Empire (IE) is a metropolitan area and region inland of and adjacent to coastal Southern California, centering around the cities of San Bernardino and Riverside, and bordering Los Angeles County to the west. It includes the cities o ...
ranked 21st, with 0.626.http://www.publicpurpose.com/hwy-tti99ratio.htm
''publicpurpose.com''


Limited-access roads not maintained by the state

The following
limited-access road A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, limited access freeway, and partial controlled access highway, is a highway or arterial road for high-speed traffic which ...
s are not maintained by the state: * Colorado Street, former routing of State Route 134, from
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
to
San Fernando Road San Fernando Road is a major street in the City of Los Angeles and Los Angeles County. Within the Burbank city limits it is signed as San Fernando Boulevard, and north of Newhall Pass it is signed as The Old Road. It was previously designated ...
just west of
Glendale Glendale is the anglicised version of the Gaelic Gleann Dail, which means ''valley of fertile, low-lying arable land''. It may refer to: Places Australia * Glendale, New South Wales ** Stockland Glendale, a shopping centre *Glendale, Queensland, ...
* Colorado Freeway, former routing of State Route 134, from Colorado Blvd in
Eagle Rock Eagle Rock may refer to: Entertainment * "Eagle Rock" (song), a hit single in 1971 by Australian band Daddy Cool * "Eagle Rock", a song by Motörhead * Eagle Rock Entertainment, a record label Places * Eagle Rock (formation), in California * Eag ...
to the
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
*Harbor Scenic Drive from Interstate 710 at Ocean Boulevard to *
Jamboree Road Jamboree Road is a long major arterial road through Orange County, California, running through the cities of Newport Beach, Irvine, Tustin, and Orange. Route description The southern terminus of Jamboree Road is at Bayside Drive, immediately b ...
in
Irvine Irvine may refer to: Places On Earth Antarctica *Irvine Glacier *Mount Irvine (Antarctica) Australia *Irvine Island *Mount Irvine, New South Wales Canada *Irvine, Alberta * Irvine Inlet, Nunavut United Kingdom *Irvine, North Ayrshire, Scotla ...
, a non-tolled extension of State Route 261 from Walnut Avenue near Interstate 5 to Barranca Parkway *
Oak Grove Drive The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...
in
Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...
, former routing of the
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...
*Shoreline Drive in
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
, the downtown exit from southbound Interstate 710 to Queens Way *
La Cienega Boulevard La Cienega Boulevard is a major north–south arterial road that runs between El Segundo Boulevard in Hawthorne, California on the south and the Sunset Strip/Sunset Boulevard in West Hollywood to the north. It was named for Rancho Las Cienegas, ...
in the Baldwin Hills, originally intended to be part of the discontinued
Laurel Canyon Freeway Laurel Canyon Boulevard is a major street in the city of Los Angeles. It starts off at Polk Street in Sylmar in the northern San Fernando Valley near the junction of the San Diego ( Interstate 405) and the Golden State (I-5)) freeways. Laurel Ca ...
*
Los Patrones Parkway State Route 241 (SR 241) is a state highway in Orange County, California that is a toll road for its entire length. Its southern half from near Las Flores, California, Las Flores to near Irvine, California, Irvine is the Foothill Transportation ...
in Las Flores, a non-tolled extension of State Route 241 from Oso Parkway to Cow Camp Road


List of freeways


Major freeways leading into and out of Southern California

*
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
south terminus at
San Ysidro San Ysidro (Spanish for " St. Isidore", ) is a district of the City of San Diego, immediately north of the Mexico–United States border. It neighbors Otay Mesa West to the north, Otay Mesa to the east, and Nestor and the Tijuana River Valley t ...
in
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
, northbound to the Central Valley and
Sacramento ) , image_map = Sacramento County California Incorporated and Unincorporated areas Sacramento Highlighted.svg , mapsize = 250x200px , map_caption = Location within Sacramento ...
**
John J. Montgomery Freeway Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in Ca ...
from the U.S.-Mexico border crossing at
San Ysidro San Ysidro (Spanish for " St. Isidore", ) is a district of the City of San Diego, immediately north of the Mexico–United States border. It neighbors Otay Mesa West to the north, Otay Mesa to the east, and Nestor and the Tijuana River Valley t ...
to
Downtown San Diego Downtown San Diego is the city center of San Diego, California, the eighth largest city in the United States. In 2010, the Centre City area had a population of more than 28,000. Downtown San Diego serves as the cultural and financial center and ...
**
San Diego Freeway The San Diego Freeway is one of the named principal Southern California freeways. It consists of the following two segments: *Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United S ...
from Downtown
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
to the
El Toro Y The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
**
Santa Ana Freeway The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Free ...
from the El Toro Y to the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
**
Golden State Freeway Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in ...
from the East L.A. Interchange to
Wheeler Ridge Wheeler Ridge is an unincorporated area, unincorporated community in the southwestern San Joaquin Valley, within Kern County, California, Kern County, California. It is at the junction of the valley floor and the Wheeler Ridge landform of the Te ...
*
Interstate 8 Interstate 8 (I-8) is an Interstate Highway in the southwestern United States. It runs from the southern edge of Mission Bay at Sunset Cliffs Boulevard in San Diego, California, almost at the Pacific Ocean, to the junction with I-10, ...
west terminus in Ocean Beach in
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
, eastbound to the
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
State Line towards Yuma ** Ocean Beach Freeway from Ocean Beach to
Old Town In a city or town, the old town is its historic or original core. Although the city is usually larger in its present form, many cities have redesignated this part of the city to commemorate its origins after thorough renovations. There are ma ...
**
Mission Valley Freeway Mission (from Latin ''missio'' "the act of sending out") may refer to: Organised activities Religion *Christian mission, an organized effort to spread Christianity *Mission (LDS Church), an administrative area of The Church of Jesus Christ of ...
, also known as the Alvarado Freeway, from
Old Town In a city or town, the old town is its historic or original core. Although the city is usually larger in its present form, many cities have redesignated this part of the city to commemorate its origins after thorough renovations. There are ma ...
to
El Cajon El Cajon ( , ; Spanish: El Cajón, meaning "the box") is a city in San Diego County, California, United States, east of downtown San Diego. The city takes its name from Rancho El Cajón, which was in turn named for the box-like shape of the va ...
** Kumeyaay Highway from Ocean Beach to the
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
-
Imperial County Imperial Count (german: Reichsgraf) was a title in the Holy Roman Empire. In the medieval era, it was used exclusively to designate the holder of an imperial county, that is, a fief held directly ( immediately) from the emperor, rather than from ...
Line as well as
El Centro El Centro (Spanish for "The Center") is a city and county seat of Imperial County, California, United States. El Centro is the largest city in the Imperial Valley, the east anchor of the Southern California Border Region, and the core urban are ...
and
Imperial Imperial is that which relates to an empire, emperor, or imperialism. Imperial or The Imperial may also refer to: Places United States * Imperial, California * Imperial, Missouri * Imperial, Nebraska * Imperial, Pennsylvania * Imperial, Texa ...
*
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
west terminus in
Santa Monica Santa Monica (; Spanish: ''Santa Mónica'') is a city in Los Angeles County, situated along Santa Monica Bay on California's South Coast. Santa Monica's 2020 U.S. Census population was 93,076. Santa Monica is a popular resort town, owing to ...
, eastbound to the
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
State Line towards
Phoenix Phoenix most often refers to: * Phoenix (mythology), a legendary bird from ancient Greek folklore * Phoenix, Arizona, a city in the United States Phoenix may also refer to: Mythology Greek mythological figures * Phoenix (son of Amyntor), a ...
**
Santa Monica Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
from
Santa Monica Santa Monica (; Spanish: ''Santa Mónica'') is a city in Los Angeles County, situated along Santa Monica Bay on California's South Coast. Santa Monica's 2020 U.S. Census population was 93,076. Santa Monica is a popular resort town, owing to ...
to the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
**
San Bernardino Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
*
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
south terminus in Barrio Logan in
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
, northbound to the
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
State Line towards
Las Vegas Las Vegas (; Spanish for "The Meadows"), often known simply as Vegas, is the 25th-most populous city in the United States, the most populous city in the state of Nevada, and the county seat of Clark County. The city anchors the Las Vegas ...
** Wabash Freeway (signed as State Route 15) from Barrio Logan in San Diego to
Interstate 805 Interstate 805 (I-805) is a major north–south auxiliary Interstate Highway in Southern California. It is a bypass auxiliary route of I-5, running roughly through the center of the Greater San Diego region from San Ysidro (part of the c ...
**
Escondido Freeway The Escondido Freeway is one of the named principal Southern California freeways. It consists of the following segments: *California State Route 15, from Interstate 5 southeast of Downtown San Diego and Interstate 8 in San Diego *Interstate 15 I ...
from
Interstate 805 Interstate 805 (I-805) is a major north–south auxiliary Interstate Highway in Southern California. It is a bypass auxiliary route of I-5, running roughly through the center of the Greater San Diego region from San Ysidro (part of the c ...
to the
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
-
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
County Line **
Temecula Valley Freeway Temecula (; es, Temécula, ; Luiseño: ''Temeekunga'') is a city in southwestern Riverside County, California, United States. The city had a population of 110,003 as of the 2020 census and was incorporated on December 1, 1989. The city is a t ...
from the San Diego-Riverside County Line to
Lake Elsinore Lake Elsinore is a natural freshwater lake in Riverside County, California, located east of the Santa Ana Mountains and fed by the San Jacinto River. Originally named ''Laguna Grande'' by Spanish explorers, it was renamed for the town of Elsino ...
**
Corona Freeway Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 dis ...
from Lake Elsinore to
Corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
**
Ontario Freeway Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
from Corona to the Devore neighborhood of
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
**
Mojave Freeway Mojave or Mohave most often refers to: *Mojave Desert *Mojave River *Mohave people *Mojave language Mojave or Mohave may also refer to: Places * Fort Mojave Indian Reservation * Mohave County, Arizona * Mohave Valley, a valley in Arizona * Mohav ...
, also
Barstow Freeway The Barstow Freeway is one of the named principal Southern California freeways. It consists of the following segments: * Interstate 215, from California State Route 210 to Interstate 15 in San Bernardino *Interstate 15 Interstate 15 (I-15) ...
, from Devore to the
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
State Line *
Interstate 40 Interstate 40 (I-40) is a major east–west Interstate Highway running through the south-central portion of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to ea ...
west terminus in Barstow, eastbound to the
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
State Line towards Kingman ** Needles Freeway *
U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
south terminus at the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
, westbound to Santa Barbara then northbound through the Central Coast region to
Silicon Valley Silicon Valley is a region in Northern California that serves as a global center for high technology and innovation. Located in the southern part of the San Francisco Bay Area, it corresponds roughly to the geographical areas San Mateo County ...
and
San Francisco San Francisco (; Spanish language, Spanish for "Francis of Assisi, Saint Francis"), officially the City and County of San Francisco, is the commercial, financial, and cultural center of Northern California. The city proper is the List of Ca ...
**
Santa Ana Freeway The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Free ...
from the East L.A. Interchange to the
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
**
Hollywood Freeway The Hollywood Freeway is one of the principal freeways of Los Angeles, California (the boundaries of which it does not leave) and one of the busiest in the United States. It is the principal route through the Cahuenga Pass, the primary shortcut ...
from the Four Level Interchange to the junction with the Ventura Freeway **
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
from the junction with the Hollywood Freeway to
Seacliff Seacliff comprises a beach, an estate and a harbour. It lies east of North Berwick, East Lothian, Scotland. History The beach and estate command a strategic position at the mouth of the Firth of Forth, and control of the area has been conte ...
* State Route 14, south terminus at
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
in
Los Angeles Los Angeles ( ; es, Los Ángeles, link=no , ), often referred to by its initials L.A., is the largest city in the state of California and the second most populous city in the United States after New York City, as well as one of the world' ...
, northbound to
U.S. Route 395 U.S. Route 395 (US 395) is a U.S. Route in the western United States. The southern terminus of the route is in the Mojave Desert at Interstate 15 near Hesperia. The northern terminus is at the Canada–US border near Laurier, where the road ...
and
Bishop A bishop is an ordained clergy member who is entrusted with a position of authority and oversight in a religious institution. In Christianity, bishops are normally responsible for the governance of dioceses. The role or office of bishop is ca ...
**
Antelope Valley Freeway The term antelope is used to refer to many species of even-toed ruminant that are indigenous to various regions in Africa and Eurasia. Antelope comprise a wastebasket taxon defined as any of numerous Old World grazing and browsing hoofed mammals ...
from Tunnel Station to Mojave


San Diego area

*
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
**
John J. Montgomery Freeway Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in Ca ...
from U.S.-Mexico border crossing at
San Ysidro San Ysidro (Spanish for " St. Isidore", ) is a district of the City of San Diego, immediately north of the Mexico–United States border. It neighbors Otay Mesa West to the north, Otay Mesa to the east, and Nestor and the Tijuana River Valley t ...
to
Downtown San Diego Downtown San Diego is the city center of San Diego, California, the eighth largest city in the United States. In 2010, the Centre City area had a population of more than 28,000. Downtown San Diego serves as the cultural and financial center and ...
**
San Diego Freeway The San Diego Freeway is one of the named principal Southern California freeways. It consists of the following two segments: *Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United S ...
from
Downtown San Diego Downtown San Diego is the city center of San Diego, California, the eighth largest city in the United States. In 2010, the Centre City area had a population of more than 28,000. Downtown San Diego serves as the cultural and financial center and ...
to the
El Toro Y The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
in
Orange County Orange County most commonly refers to: *Orange County, California, part of the Los Angeles metropolitan area Orange County may also refer to: U.S. counties *Orange County, Florida, containing Orlando *Orange County, Indiana *Orange County, New ...
*
Interstate 8 Interstate 8 (I-8) is an Interstate Highway in the southwestern United States. It runs from the southern edge of Mission Bay at Sunset Cliffs Boulevard in San Diego, California, almost at the Pacific Ocean, to the junction with I-10, ...
** Ocean Beach Freeway from Ocean Beach to
Old Town San Diego Old Town is a neighborhood of San Diego, California. It contains and is bounded by Interstate 8 in California, Interstate 8 on the north, Interstate 5 in California, Interstate 5 on the west, Mission Hills, San Diego, Mission Hills on the east ...
**
Mission Valley Freeway Mission (from Latin ''missio'' "the act of sending out") may refer to: Organised activities Religion *Christian mission, an organized effort to spread Christianity *Mission (LDS Church), an administrative area of The Church of Jesus Christ of ...
from Old Town San Diego to
El Cajon El Cajon ( , ; Spanish: El Cajón, meaning "the box") is a city in San Diego County, California, United States, east of downtown San Diego. The city takes its name from Rancho El Cajón, which was in turn named for the box-like shape of the va ...
** Kumeyaay Freeway from Ocean Beach to
Imperial County Imperial Count (german: Reichsgraf) was a title in the Holy Roman Empire. In the medieval era, it was used exclusively to designate the holder of an imperial county, that is, a fief held directly ( immediately) from the emperor, rather than from ...
*
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
and State Route 15 **
Escondido Freeway The Escondido Freeway is one of the named principal Southern California freeways. It consists of the following segments: *California State Route 15, from Interstate 5 southeast of Downtown San Diego and Interstate 8 in San Diego *Interstate 15 I ...
from
Barrio Logan Barrio Logan is a neighborhood in south central San Diego, California. It is bordered by the neighborhoods of East Village and Logan Heights to the north, Shelltown and Southcrest to the east, San Diego Bay to the southwest, and National Cit ...
to Escondido * State Route 52 ** Soledad Freeway from
La Jolla La Jolla ( , ) is a hilly, seaside neighborhood within the city of San Diego, California, United States, occupying of curving coastline along the Pacific Ocean. The population reported in the 2010 census was 46,781. La Jolla is surrounded on ...
to
Santee Santee may refer to: People * Santee Dakota, a subgroup of the Dakota people, of the U.S. Great Plains * Santee (South Carolina), a Native American people of South Carolina Places * Lake Santee, Indiana, a reservoir and census-designated place * ...
* State Route 54 ** South Bay Freeway from National City to Jamacha Road exit * State Route 56 **
Ted Williams Freeway TED may refer to: Economics and finance * TED spread between U.S. Treasuries and Eurodollar Education * ''Türk Eğitim Derneği'', the Turkish Education Association ** TED Ankara College Foundation Schools, Turkey ** Transvaal Education Dep ...
from Carmel Valley to
Sabre Springs Sabre Springs is a community in San Diego, California, located in the northeastern part of the city. It is bounded by the city limits of Poway on the east, Ted Williams Parkway on the north, Interstate 15 on the west, and the community of Mira ...
* State Route 67 ** San Vicente Freeway from
El Cajon El Cajon ( , ; Spanish: El Cajón, meaning "the box") is a city in San Diego County, California, United States, east of downtown San Diego. The city takes its name from Rancho El Cajón, which was in turn named for the box-like shape of the va ...
to
Lakeside Lakeside or Lake Side may refer to: Places Australia * Lakeside College, Pakenham, Victoria * Lakeside Joondalup Shopping City, Joondalup, Western Australia * Lakeside, near Reservoir, Victoria * Lakeside International Raceway, Pine Rivers, Quee ...
* State Route 75 ** San Diego-Coronado Bay Bridge * State Route 78 ** Ronald Packard Parkway from Oceanside to Escondido * State Route 94 ** Martin Luther King Jr. Freeway from Downtown San Diego to Spring Valley * State Route 125 ** South Bay Expressway from
Otay Mesa Otay Mesa ( ) is a community in the southern section of the city of San Diego, just north of the U.S.–Mexico border. It is bordered by the Otay River Valley and the city of Chula Vista on the north; Interstate 805 and the neighborhoods of Oc ...
to Jamacha Road exit ** Ramona Freeway from Jamacha Road exit to
Santee Santee may refer to: People * Santee Dakota, a subgroup of the Dakota people, of the U.S. Great Plains * Santee (South Carolina), a Native American people of South Carolina Places * Lake Santee, Indiana, a reservoir and census-designated place * ...
* State Route 163 **
Cabrillo Freeway Cabrillo may refer to: People * Juan Rodríguez Cabrillo, the first European to explore California. Places, buildings and structures * Cabrillo Beach, a section of San Pedro, California near Point Fermin * Cabrillo Bridge, San Diego, California ...
from Downtown San Diego to
Kearny Mesa Kearny Mesa is a community in the central part of San Diego, California. It is bounded by State Route 52 to the north, Interstate 805 to the west, Aero Drive to the south, and Interstate 15 to the east. Adjacent communities include Serra Mesa, C ...
at
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
*
Interstate 805 Interstate 805 (I-805) is a major north–south auxiliary Interstate Highway in Southern California. It is a bypass auxiliary route of I-5, running roughly through the center of the Greater San Diego region from San Ysidro (part of the c ...
**
Jacob Dekema Freeway Jacob (; ; ar, يَعْقُوب, Yaʿqūb; gr, Ἰακώβ, Iakṓb), later given the name Israel, is regarded as a patriarch of the Israelites and is an important figure in Abrahamic religions, such as Judaism, Christianity, and Islam. Ja ...
, also known as the
Inland Freeway Inland may refer to: Places Sweden * Inland Fräkne Hundred, a hundred of Bohuslän in Sweden * Inland Northern Hundred, a hundred of Bohuslän in Sweden * Inland Southern Hundred, a hundred of Bohuslän in Sweden * Inland Torpe Hundred, a hundred ...
from
San Ysidro San Ysidro (Spanish for " St. Isidore", ) is a district of the City of San Diego, immediately north of the Mexico–United States border. It neighbors Otay Mesa West to the north, Otay Mesa to the east, and Nestor and the Tijuana River Valley t ...
to "The Merge" at
Sorrento Valley Sorrento Valley is a neighborhood of San Diego, California. It is located about 17 mi (27 km) north of Downtown San Diego and its main airport, Lindbergh Field. It is roughly bounded by Interstate 5 and Interstate 805, Camino Santa Fe to ...
* State Route 905 **
Otay Mesa Freeway State Route 905 (SR 905), also known as the Otay Mesa Freeway, is an state highway in San Diego, in the southwestern part of the U.S. state of California. It connects I-5 and I-805 in San Ysidro to the Mexican border at Otay Mesa. T ...
from
San Ysidro San Ysidro (Spanish for " St. Isidore", ) is a district of the City of San Diego, immediately north of the Mexico–United States border. It neighbors Otay Mesa West to the north, Otay Mesa to the east, and Nestor and the Tijuana River Valley t ...
to the
Otay Mesa Otay Mesa ( ) is a community in the southern section of the city of San Diego, just north of the U.S.–Mexico border. It is bordered by the Otay River Valley and the city of Chula Vista on the north; Interstate 805 and the neighborhoods of Oc ...
border crossing


Controlled access routes not maintained by the state

* Kearny Villa Road near
Marine Corps Air Station Miramar Marine Corps Air Station Miramar (MCAS Miramar) , formerly Naval Auxiliary Air Station (NAAS) Miramar and Naval Air Station (NAS) Miramar, is a United States Marine Corps installation that is home to the 3rd Marine Aircraft Wing, which is the av ...
, former routing of
U.S. Route 395 U.S. Route 395 (US 395) is a U.S. Route in the western United States. The southern terminus of the route is in the Mojave Desert at Interstate 15 near Hesperia. The northern terminus is at the Canada–US border near Laurier, where the road ...
* Pacific Highway near
San Diego International Airport San Diego International Airport , formerly known as Lindbergh Field, is an international airport northwest of Downtown San Diego, California, United States. It is owned and operated by the San Diego County Regional Airport Authority.. US Federa ...
(
Lindbergh Field San Diego International Airport , formerly known as Lindbergh Field, is an international airport northwest of Downtown San Diego, California, United States. It is owned and operated by the San Diego County Regional Airport Authority.. US Federa ...
), former routing of
U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
* Friars Road in
Mission Valley Mission Valley is a wide river valley trending east–west in San Diego, California, United States, through which the San Diego River flows to the Pacific Ocean. For planning purposes the city of San Diego divides it into two neighborhoods: Missi ...
near the site of the former
San Diego Stadium San Diego Stadium was a multi-purpose stadium on the West Coast of the United States, west coast of the United States, in San Diego, California. The stadium opened in 1967 as San Diego Stadium and was known as Jack Murphy Stadium from 1981 to 199 ...


Inland Empire Metropolitan Area

(Includes San Bernardino and Riverside Counties) *
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
**
San Bernardino Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
*
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
**
Temecula Valley Freeway Temecula (; es, Temécula, ; Luiseño: ''Temeekunga'') is a city in southwestern Riverside County, California, United States. The city had a population of 110,003 as of the 2020 census and was incorporated on December 1, 1989. The city is a t ...
from
San Diego County San Diego County (), officially the County of San Diego, is a county in the southwestern corner of the U.S. state of California. As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the fi ...
line to
Lake Elsinore Lake Elsinore is a natural freshwater lake in Riverside County, California, located east of the Santa Ana Mountains and fed by the San Jacinto River. Originally named ''Laguna Grande'' by Spanish explorers, it was renamed for the town of Elsino ...
. **
Corona Freeway Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 dis ...
from Lake Elsinore to
Corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
**
Ontario Freeway Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
from
Corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
**
Mojave Freeway Mojave or Mohave most often refers to: *Mojave Desert *Mojave River *Mohave people *Mojave language Mojave or Mohave may also refer to: Places * Fort Mojave Indian Reservation * Mohave County, Arizona * Mohave Valley, a valley in Arizona * Mohav ...
from
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
to the
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
State Line *
Interstate 40 Interstate 40 (I-40) is a major east–west Interstate Highway running through the south-central portion of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to ea ...
** Needles Freeway from Barstow to the
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
State Line * State Route 60 **
Pomona Freeway Pomona may refer to: Places Argentina * Pomona, Río Negro Australia * Pomona, Queensland, Australia, a town in the Shire of Noosa * Pomona, New South Wales, Australia Belize * Pomona, Belize, a List of municipalities in Belize#Stann Creek Dist ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
**
Moreno Valley Freeway Moreno may refer to: Places Argentina *Moreno (Buenos Aires Metro), a station on Line C of the Buenos Aires Metro *Moreno, Buenos Aires, a city in Buenos Aires Province, Argentina *Moreno Department, a depatnent of Santiago del Estero Province, A ...
from
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
to the junction with
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
* State Route 71 **
Chino Valley Freeway Chino or El Chino may refer to: Art, entertainment, and media * ''Chino'' (1973 film), an Italian film starring Charles Bronson * ''Chino'' (1991 film), a Nepali film Places * Chino, California, a city in San Bernardino County, California, US ...
from just north of State Route 91 to State Route 57 * State Route 91 **
Riverside Freeway The Riverside Freeway is one of the named principal Southern California freeways The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million peop ...
from Fullerton at
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
to
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
* Interstate 210 and State Route 210 **
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...
from
Sylmar Sylmar is a suburban neighborhood in the San Fernando Valley and is the northernmost neighborhood within the City of Los Angeles. Historically known for its profusion of sylvan olive orchards, Sylmar can trace its past to the 18th century and th ...
to Redlands * Interstate 215 **
Escondido Freeway The Escondido Freeway is one of the named principal Southern California freeways. It consists of the following segments: *California State Route 15, from Interstate 5 southeast of Downtown San Diego and Interstate 8 in San Diego *Interstate 15 I ...
from
Murrieta Murrieta is a city in southwestern Riverside County, California, United States. The population of Murrieta was 110,949 as of the 2020 United States Census, 2020 census. Murrieta experienced a 133.7% population increase between 2000 and 2010, ma ...
to
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
**
Riverside Freeway The Riverside Freeway is one of the named principal Southern California freeways The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million peop ...
from
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
**
Barstow Freeway The Barstow Freeway is one of the named principal Southern California freeways. It consists of the following segments: * Interstate 215, from California State Route 210 to Interstate 15 in San Bernardino *Interstate 15 Interstate 15 (I-15) ...
from
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
to the northern junction with
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...


Greater Los Angeles

(includes Los Angeles, Orange, Riverside, San Bernardino, Ventura Counties) * State Route 1 **freeway stub in
Dana Point Dana Point () is a city located in southern Orange County, California, United States. The population was 33,107 at the 2020 census. It has one of the few harbors along the Orange County coast, and with ready access via State Route 1, it is a po ...
, leading north from
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
**
Santa Monica Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
from Pacific Coast Highway in
Santa Monica Santa Monica (; Spanish: ''Santa Mónica'') is a city in Los Angeles County, situated along Santa Monica Bay on California's South Coast. Santa Monica's 2020 U.S. Census population was 93,076. Santa Monica is a popular resort town, owing to ...
to
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
**freeway stub east of
Oxnard Oxnard () is a city in Ventura County, California, United States. On California's South Coast, it is the most populous city in Ventura County and the 22nd-most-populous city in California. Incorporated in 1903, Oxnard lies approximately west ...
* State Route 2 **
Glendale Freeway State Route 2 (SR 2) is a state highway in the U.S. state of California. It connects the Los Angeles Basin with the San Gabriel Mountains and the Victor Valley in the Mojave Desert. The highway's southwestern end is at the intersection of C ...
from
Silver Lake Silver is a chemical element with the Symbol (chemistry), symbol Ag (from the Latin ', derived from the Proto-Indo-European wikt:Reconstruction:Proto-Indo-European/h₂erǵ-, ''h₂erǵ'': "shiny" or "white") and atomic number 47. A soft, whi ...
to junction with State Route 134 in
Glendale Glendale is the anglicised version of the Gaelic Gleann Dail, which means ''valley of fertile, low-lying arable land''. It may refer to: Places Australia * Glendale, New South Wales ** Stockland Glendale, a shopping centre *Glendale, Queensland, ...
**
Frank D. Lanterman Freeway State Route 2 (SR 2) is a state highway in the U.S. state of California. It connects the Los Angeles Basin with the San Gabriel Mountains and the Victor Valley in the Mojave Desert. The highway's southwestern end is at the intersection of C ...
from junction with State Route 134 to La Cañada-Flintridge *
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
**
San Diego Freeway The San Diego Freeway is one of the named principal Southern California freeways. It consists of the following two segments: *Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United S ...
from
San Diego San Diego ( , ; ) is a city on the Pacific Ocean coast of Southern California located immediately adjacent to the Mexico–United States border. With a 2020 population of 1,386,932, it is the List of United States cities by population, eigh ...
to the
El Toro Y The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
**
Santa Ana Freeway The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Free ...
from the
El Toro Y The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
to the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
**
Golden State Freeway Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to
Wheeler Ridge Wheeler Ridge is an unincorporated area, unincorporated community in the southwestern San Joaquin Valley, within Kern County, California, Kern County, California. It is at the junction of the valley floor and the Wheeler Ridge landform of the Te ...
in
Kern County Kern County is a county located in the U.S. state of California. As of the 2020 census, the population was 909,235. Its county seat is Bakersfield. Kern County comprises the Bakersfield, California, Metropolitan statistical area. The county sp ...
*
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
**
Santa Monica Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
from
Santa Monica Santa Monica (; Spanish: ''Santa Mónica'') is a city in Los Angeles County, situated along Santa Monica Bay on California's South Coast. Santa Monica's 2020 U.S. Census population was 93,076. Santa Monica is a popular resort town, owing to ...
to the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
**
San Bernardino Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
* State Route 14 **
Antelope Valley Freeway The term antelope is used to refer to many species of even-toed ruminant that are indigenous to various regions in Africa and Eurasia. Antelope comprise a wastebasket taxon defined as any of numerous Old World grazing and browsing hoofed mammals ...
from Tunnel Station to Mojave in
Kern County Kern County is a county located in the U.S. state of California. As of the 2020 census, the population was 909,235. Its county seat is Bakersfield. Kern County comprises the Bakersfield, California, Metropolitan statistical area. The county sp ...
**
Sierra Highway Sierra Highway or El Camino Sierra is a road in Southern California, United States. El Camino Sierra refers to the full length of a trail formed in the 19th century, rebuilt as highways in the early 20th century, that ran from Los Angeles to Lake ...
(old Rte 14) from Newhall Avenue (formally SR 126/San Fernando Road) to Rainbow Glen Drive. This section is still maintained by Caltrans and is signed as 14U – Unrelinquished. *
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
**
Temecula Valley Freeway Temecula (; es, Temécula, ; Luiseño: ''Temeekunga'') is a city in southwestern Riverside County, California, United States. The city had a population of 110,003 as of the 2020 census and was incorporated on December 1, 1989. The city is a t ...
from
San Diego County San Diego County (), officially the County of San Diego, is a county in the southwestern corner of the U.S. state of California. As of the 2020 census, the population was 3,298,634, making it California's second-most populous county and the fi ...
line to
Lake Elsinore Lake Elsinore is a natural freshwater lake in Riverside County, California, located east of the Santa Ana Mountains and fed by the San Jacinto River. Originally named ''Laguna Grande'' by Spanish explorers, it was renamed for the town of Elsino ...
. **
Corona Freeway Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 dis ...
from Lake Elsinore to
Corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
**
Ontario Freeway Ontario ( ; ) is one of the thirteen provinces and territories of Canada.Ontario is located in the geographic eastern half of Canada, but it has historically and politically been considered to be part of Central Canada. Located in Central Ca ...
from
Corona Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 di ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
**
Mojave Freeway Mojave or Mohave most often refers to: *Mojave Desert *Mojave River *Mohave people *Mojave language Mojave or Mohave may also refer to: Places * Fort Mojave Indian Reservation * Mohave County, Arizona * Mohave Valley, a valley in Arizona * Mohav ...
from
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
to the
Nevada Nevada ( ; ) is a U.S. state, state in the Western United States, Western region of the United States. It is bordered by Oregon to the northwest, Idaho to the northeast, California to the west, Arizona to the southeast, and Utah to the east. N ...
State Line * State Route 22 **7th Street freeway stub from
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
to
Seal Beach Seal Beach is a coastal city in Orange County, California, United States. As of the 2020 census, the population was 25,242, up from 24,168 at the 2010 census. Seal Beach is located in the westernmost corner of Orange County. To the northwest ...
at the Interstate 405 and
Interstate 605 Interstate 605 (abbreviated I-605, officially known as the San Gabriel River Freeway) is a major north–south auxiliary Interstate Highway in the Greater Los Angeles urban area of Southern California. It runs from I-405 and State Route& ...
interchange **
Garden Grove Freeway A garden is a planned space, usually outdoors, set aside for the cultivation, display, and enjoyment of plants and other forms of nature. The single feature identifying even the wildest wild garden is ''control''. The garden can incorporate both ...
from
Westminster Westminster is an area of Central London, part of the wider City of Westminster. The area, which extends from the River Thames to Oxford Street, has many visitor attractions and historic landmarks, including the Palace of Westminster, Bu ...
to
Orange Orange most often refers to: *Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis'' ** Orange blossom, its fragrant flower *Orange (colour), from the color of an orange, occurs between red and yellow in the visible spectrum * ...
* State Route 23 ** Moorpark Freeway from
Thousand Oaks Thousand Oaks is the second-largest city in Ventura County, California, United States. It is in the northwestern part of Greater Los Angeles, approximately from the city of Los Angeles and from Downtown. It is named after the many oak tree ...
to
Moorpark Moorpark is a city in Ventura County in Southern California. Moorpark was founded in 1900. The town grew from just over 4,000 citizens in 1980 to over 25,000 by 1990. As of 2006, Moorpark was one of the fastest-growing cities in Ventura County.. ...
* State Route 33 **
Ojai Freeway Ojai ( ; Chumash: ''’Awhaỳ'') is a city in Ventura County, California. Located in the Ojai Valley, it is northwest of Los Angeles and east of Santa Barbara. The valley is part of the east–west trending Western Transverse Ranges and is ...
from Ventura to Foster Park *
Interstate 40 Interstate 40 (I-40) is a major east–west Interstate Highway running through the south-central portion of the United States. At a length of , it is the third-longest Interstate Highway in the country, after I-90 and I-80. From west to ea ...
** Needles Freeway from Barstow to the
Arizona Arizona ( ; nv, Hoozdo Hahoodzo ; ood, Alĭ ṣonak ) is a state in the Southwestern United States. It is the 6th largest and the 14th most populous of the 50 states. Its capital and largest city is Phoenix. Arizona is part of the Fou ...
State Line * State Route 42 **
Manchester Avenue Manchester () is a city in Greater Manchester, England. It had a population of 552,000 in 2021. It is bordered by the Cheshire Plain to the south, the Pennines to the north and east, and the neighbouring city of Salford to the west. The tw ...
connecting Norwalk to Westchester * State Route 47 **
Vincent Thomas Bridge The Vincent Thomas Bridge is a suspension bridge, crossing Los Angeles Harbor in Los Angeles, California, linking San Pedro with Terminal Island. It is the only suspension bridge in the Greater Los Angeles area. The bridge is part of State ...
connecting San Pedro to
Terminal Island Terminal Island, historically known as Isla Raza de Buena Gente, is a largely artificial island located in Los Angeles County, California, between the neighborhoods of Wilmington and San Pedro in the city of Los Angeles, and the city of Long Be ...
**
Terminal Island Freeway Terminal may refer to: Computing Hardware * Terminal (electronics), a device for joining electrical circuits together * Terminal (telecommunication), a device communicating over a line * Computer terminal, a set of primary input and output dev ...
from Seaside Avenue to Henry Ford Avenue exit (splitting off from State Route 103) * State Route 55 **
Newport Boulevard State Route 55 (SR 55) is an 18-mile (30-km) long north–south state highway that passes through suburban Orange County in the U.S. state of California. The portion of the route built to freeway standards is known as the Costa Mesa Fr ...
freeway stub north from State Route 1 in
Newport Beach Newport Beach is a coastal city in South Orange County, California. Newport Beach is known for swimming and sandy beaches. Newport Harbor once supported maritime industries however today, it is used mostly for recreation. Balboa Island, Newport ...
**
Costa Mesa Freeway Costa may refer to: Biology * Rib (Latin: ''costa''), in vertebrate anatomy * Costa (botany), the central strand of a plant leaf or thallus * Costa (coral), a stony rib, part of the skeleton of a coral * Costa (entomology), the leading edge of ...
, formerly
Newport Freeway Newport most commonly refers to: *Newport, Wales *Newport, Rhode Island, US Newport or New Port may also refer to: Places Asia * Newport City, Metro Manila, a Philippine district in Pasay Europe Ireland *Newport, County Mayo, a town on th ...
from
Costa Mesa Costa may refer to: Biology * Rib (Latin: ''costa''), in vertebrate anatomy * Costa (botany), the central strand of a plant leaf or thallus * Costa (coral), a stony rib, part of the skeleton of a coral * Costa (entomology), the leading edge of t ...
to
Anaheim Anaheim ( ) is a city in northern Orange County, California, part of the Los Angeles metropolitan area. As of the 2020 United States Census, the city had a population of 346,824, making it the most populous city in Orange County, the 10th-most p ...
* State Route 57 **
Orange Freeway Orange most often refers to: *Orange (fruit), the fruit of the tree species '' Citrus'' × ''sinensis'' ** Orange blossom, its fragrant flower *Orange (colour), from the color of an orange, occurs between red and yellow in the visible spectrum * ...
from the
Orange Crush interchange The Orange Crush interchange, frequently called The Crush, is a freeway interchange in the city of Orange, California, near the borders of the cities of Orange, Santa Ana, Anaheim, and Garden Grove. The Disneyland Resort, The Outlets at Orange ...
to Glendora * State Route 58 **freeway stub from Keene to Mojave in
Kern County Kern County is a county located in the U.S. state of California. As of the 2020 census, the population was 909,235. Its county seat is Bakersfield. Kern County comprises the Bakersfield, California, Metropolitan statistical area. The county sp ...
**freeway stub from North Edwards to Kramer Junction **freeway stub from Hinkley to Barstow * State Route 60 **
Pomona Freeway Pomona may refer to: Places Argentina * Pomona, Río Negro Australia * Pomona, Queensland, Australia, a town in the Shire of Noosa * Pomona, New South Wales, Australia Belize * Pomona, Belize, a List of municipalities in Belize#Stann Creek Dist ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
**
Moreno Valley Freeway Moreno may refer to: Places Argentina *Moreno (Buenos Aires Metro), a station on Line C of the Buenos Aires Metro *Moreno, Buenos Aires, a city in Buenos Aires Province, Argentina *Moreno Department, a depatnent of Santiago del Estero Province, A ...
from
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
to the junction with
Interstate 10 Interstate 10 (I-10) is the southernmost cross-country highway in the American Interstate Highway System. I-10 is the fourth-longest Interstate in the United States at , following I-90, I-80, and I-40. This freeway is part of the originally pl ...
* State Route 71 **
Chino Valley Freeway Chino or El Chino may refer to: Art, entertainment, and media * ''Chino'' (1973 film), an Italian film starring Charles Bronson * ''Chino'' (1991 film), a Nepali film Places * Chino, California, a city in San Bernardino County, California, US ...
from just north of State Route 91 to State Route 57 **freeway stub from the
Kellogg Interchange The Kellogg Interchange complex is a freeway interchange in Southern California, connecting the San Bernardino (Interstate 10), Orange ( State Route 57), and Chino Hills ( State Route 71) freeways. The interchange is located at t ...
leading to the
Corona Expressway Corona (from the Latin for 'crown') most commonly refers to: * Stellar corona, the outer atmosphere of the Sun or another star * Corona (beer), a Mexican beer * Corona, informal term for the coronavirus SARS-CoV-2, which causes the COVID-19 dis ...
* State Route 73 ** Corona del Mar Freeway from
Costa Mesa Costa may refer to: Biology * Rib (Latin: ''costa''), in vertebrate anatomy * Costa (botany), the central strand of a plant leaf or thallus * Costa (coral), a stony rib, part of the skeleton of a coral * Costa (entomology), the leading edge of t ...
to
Irvine Irvine may refer to: Places On Earth Antarctica *Irvine Glacier *Mount Irvine (Antarctica) Australia *Irvine Island *Mount Irvine, New South Wales Canada *Irvine, Alberta * Irvine Inlet, Nunavut United Kingdom *Irvine, North Ayrshire, Scotla ...
** San Joaquin Hills Transportation Corridor from
Irvine Irvine may refer to: Places On Earth Antarctica *Irvine Glacier *Mount Irvine (Antarctica) Australia *Irvine Island *Mount Irvine, New South Wales Canada *Irvine, Alberta * Irvine Inlet, Nunavut United Kingdom *Irvine, North Ayrshire, Scotla ...
to
Laguna Niguel Laguna Niguel () is a city in Orange County, California, United States. The name Laguna Niguel is derived from the words "Laguna" (Spanish for "lagoon") and "Niguili" (the name of a Native American village once located near Aliso Creek). As of ...
* State Route 90 **
Marina Freeway A marina (from Spanish , Portuguese and Italian : ''marina'', "coast" or "shore") is a dock or basin with moorings and supplies for yachts and small boats. A marina differs from a port in that a marina does not handle large passenger ships or ...
freeway stub east and west of the Interstate 405 near
Marina del Rey Marina del Rey (Spanish for "Marina of the King") is an unincorporated seaside community in Los Angeles County, California, with an eponymous harbor that is a major boating and water recreation destination of the greater Los Angeles area. The p ...
** Richard M. Nixon Parkway freeway stub west from State Route 91 in
Yorba Linda Yorba Linda is a suburban city in northeastern Orange County, California, United States, approximately southeast of Downtown Los Angeles. It is part of the Los Angeles metropolitan area, and had a population of 68,336 at the 2020 census. Yo ...
* State Route 91 **
Gardena Freeway State Route 91 (SR 91) is a major east–west state highway in the U.S. state of California that serves several regions of the Greater Los Angeles urban area. A freeway throughout its entire length, it officially runs from Vermont Avenue in ...
from Interstate 110 in Gardena to
Interstate 710 Route 710, consisting of the non-contiguous segments of State Route 710 (SR 710) and Interstate 710 (I-710), is a major north–south state highway and auxiliary Interstate Highway in the Los Angeles metropolitan area of the ...
in
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
**
Artesia Freeway State Route 91 (SR 91) is a major east–west state highway in the U.S. state of California that serves several regions of the Greater Los Angeles urban area. A freeway throughout its entire length, it officially runs from Vermont Avenue in ...
from
Interstate 710 Route 710, consisting of the non-contiguous segments of State Route 710 (SR 710) and Interstate 710 (I-710), is a major north–south state highway and auxiliary Interstate Highway in the Los Angeles metropolitan area of the ...
in
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
to Fullerton at
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
**
Riverside Freeway The Riverside Freeway is one of the named principal Southern California freeways The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million peop ...
from Fullerton at
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
to
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
*
U.S. Route 101 U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south United States Numbered Highway that runs through the states of California, Oregon, and Washington, on the West Coast of the United States. It is also known as (The Royal Roa ...
**
Santa Ana Freeway The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Free ...
from the
East L.A. Interchange The East Los Angeles Interchange is an interchange complex located in Boyle Heights, California, approximately 2.5 miles (4 km) east of Downtown Los Angeles. With its southern portion handling over 550,000 vehicles per day (2008 AADT), it is th ...
to the
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
**
Hollywood Freeway The Hollywood Freeway is one of the principal freeways of Los Angeles, California (the boundaries of which it does not leave) and one of the busiest in the United States. It is the principal route through the Cahuenga Pass, the primary shortcut ...
from the
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
to the junction with State Route 134 and State Route 170 **
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
from the junction with State Route 134 and State Route 170 to
Seacliff Seacliff comprises a beach, an estate and a harbour. It lies east of North Berwick, East Lothian, Scotland. History The beach and estate command a strategic position at the mouth of the Firth of Forth, and control of the area has been conte ...
just west of Ventura * State Route 103 **
Terminal Island Freeway Terminal may refer to: Computing Hardware * Terminal (electronics), a device for joining electrical circuits together * Terminal (telecommunication), a device communicating over a line * Computer terminal, a set of primary input and output dev ...
co-signed from Seaside Avenue with State Route 47 to Sepulveda Boulevard/Willow Street in
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
* Interstate 105 **
Glenn Anderson Freeway Glenn may refer to: Name or surname * Glenn (name) * John Glenn, U.S. astronaut Cultivars * Glenn (mango) * a 6-row barley variety Places In the United States: * Glenn, California * Glenn County, California * Glenn, Georgia, a settlement ...
, more commonly known as the
Century Freeway A century is a period of 100 year A year or annus is the orbital period of a planetary body, for example, the Earth, moving in its orbit around the Sun. Due to the Earth's axial tilt, the course of a year sees the passing of the seasons, ...
from El Segundo to Norwalk * Interstate 110 **
Harbor Freeway A harbor (American English), harbour (British English; see spelling differences), or haven is a sheltered body of water where ships, boats, and barges can be docked. The term ''harbor'' is often used interchangeably with ''port'', which is a ...
from San Pedro to Downtown L.A. at the interchange with the
Santa Monica Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
* State Route 110 **
Harbor Freeway A harbor (American English), harbour (British English; see spelling differences), or haven is a sheltered body of water where ships, boats, and barges can be docked. The term ''harbor'' is often used interchangeably with ''port'', which is a ...
from the interchange with the
Santa Monica Freeway Interstate 10 (I-10) is a transcontinental Interstate Highway in the United States, stretching from Santa Monica, California to Jacksonville, Florida. The segment of I-10 in California runs east from Santa Monica through Los Angeles, San Bernar ...
to the
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
**
Pasadena Freeway Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. I ...
from the
Four Level Interchange The Four Level Interchange (officially the Bill Keene Memorial Interchange) is the first stack interchange in the world. Completed in 1949 and fully opened in 1953 at the northern edge of Downtown Los Angeles, California, United States, it conne ...
to
Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...
*
State Route 118 Route 118 or Highway 118 can refer to multiple roads: Argentina * National Route 118 (Argentina), National Route 118 Canada * British Columbia Highway 118 * New Brunswick Route 118 * Nova Scotia Highway 118 * Ontario Highway 118 * Prince ...
**
Ronald Reagan Freeway Ronald is a masculine given name derived from the Old Norse ''Rögnvaldr'', Hanks; Hardcastle; Hodges (2006) p. 234; Hanks; Hodges (2003) § Ronald. or possibly from Old English '' Regenweald''. In some cases ''Ronald'' is an Anglicised form of ...
, also known as the Simi Valley-San Fernando Valley Freeway, or more simply, the Simi Valley Freeway from
Moorpark Moorpark is a city in Ventura County in Southern California. Moorpark was founded in 1900. The town grew from just over 4,000 citizens in 1980 to over 25,000 by 1990. As of 2006, Moorpark was one of the fastest-growing cities in Ventura County.. ...
to
San Fernando San Fernando may refer to: People *Ferdinand III of Castile (c. 1200–1252), called ''San Fernando'' (Spanish) or ''Saint Ferdinand'', King of Castile, León, and Galicia Places Argentina *San Fernando de la Buena Vista, city of Greater Buenos ...
* State Route 133 ** Laguna Freeway from just south of Interstate 405 to
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
**
Eastern Transportation Corridor Eastern Toll Road or Eastern Turnpike may refer to the following toll roads: ;United States * The Eastern Transportation Corridor, the tollway system in California, comprising portions of: ** California State Route 133, State Route 133 ** Californi ...
from
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
to State Route 241 * State Route 134 **
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
from
Pasadena Pasadena ( ) is a city in Los Angeles County, California, northeast of downtown Los Angeles. It is the most populous city and the primary cultural center of the San Gabriel Valley. Old Pasadena is the city's original commercial district. Its ...
to
North Hollywood North Hollywood is a neighborhood of Los Angeles, California, located in the San Fernando Valley. The neighborhood contains the NoHo Arts District, the El Portal Theatre, several art galleries, and the Academy of TV Arts and Sciences. The North ...
at the junction with the
Hollywood Freeway The Hollywood Freeway is one of the principal freeways of Los Angeles, California (the boundaries of which it does not leave) and one of the busiest in the United States. It is the principal route through the Cahuenga Pass, the primary shortcut ...
* State Route 138 **
Lancaster Freeway The following state highways in the U.S. state of California are entirely or partially unconstructed; in other words, their routings have been defined by state law, but no route has been adopted by the California Department of Transportation (Cal ...
freeway stub east from
Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United States, running largely parallel to the Pacific coast of the contiguous U.S. from Mexico to Canada. It travels through the states of Califor ...
near Gorman * State Route 170 **
Hollywood Freeway The Hollywood Freeway is one of the principal freeways of Los Angeles, California (the boundaries of which it does not leave) and one of the busiest in the United States. It is the principal route through the Cahuenga Pass, the primary shortcut ...
from the interchange with the
Ventura Freeway The Ventura Freeway is a freeway in southern California, United States, running from the Santa Barbara/Ventura county line to Pasadena in Los Angeles County. It is the principal east-west route (designated north-south) through Ventura County a ...
to the
Golden State Freeway Interstate 5 (I-5) is a major north–south route of the Interstate Highway System in the United States, stretching from the Mexican border at the San Ysidro crossing to the Canadian border near Blaine, Washington. The segment of I-5 in ...
* Interstate 210 and State Route 210 **
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...
from Tunnel Station to Redlands * Interstate 215 **
Escondido Freeway The Escondido Freeway is one of the named principal Southern California freeways. It consists of the following segments: *California State Route 15, from Interstate 5 southeast of Downtown San Diego and Interstate 8 in San Diego *Interstate 15 I ...
from
Murrieta Murrieta is a city in southwestern Riverside County, California, United States. The population of Murrieta was 110,949 as of the 2020 United States Census, 2020 census. Murrieta experienced a 133.7% population increase between 2000 and 2010, ma ...
to
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
**
Riverside Freeway The Riverside Freeway is one of the named principal Southern California freeways The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million peop ...
from
Riverside Riverside may refer to: Places Australia * Riverside, Tasmania, a suburb of Launceston, Tasmania Canada * Riverside (electoral district), in the Yukon * Riverside, Calgary, a neighbourhood in Alberta * Riverside, Manitoba, a former rural m ...
to
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
**
Barstow Freeway The Barstow Freeway is one of the named principal Southern California freeways. It consists of the following segments: * Interstate 215, from California State Route 210 to Interstate 15 in San Bernardino *Interstate 15 Interstate 15 (I-15) ...
from
San Bernardino San Bernardino (; Spanish language, Spanish for Bernardino of Siena, "Saint Bernardino") is a city and county seat of San Bernardino County, California, United States. Located in the Inland Empire region of Southern California, the city had a ...
to the northern junction with
Interstate 15 Interstate 15 (I-15) is a major Interstate Highway System, Interstate Highway in the western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexico–United States border, Mexican border i ...
* State Route 241 **
Foothill Transportation Corridor State Route 241 (SR 241) is a state highway in Orange County, California that is a toll road for its entire length. Its southern half from near Las Flores to near Irvine is the Foothill Transportation Corridor, while its northern half to SR& ...
from Oso Parkway to the
Eastern Transportation Corridor Eastern Toll Road or Eastern Turnpike may refer to the following toll roads: ;United States * The Eastern Transportation Corridor, the tollway system in California, comprising portions of: ** California State Route 133, State Route 133 ** Californi ...
**
Eastern Transportation Corridor Eastern Toll Road or Eastern Turnpike may refer to the following toll roads: ;United States * The Eastern Transportation Corridor, the tollway system in California, comprising portions of: ** California State Route 133, State Route 133 ** Californi ...
from the
Foothill Transportation Corridor State Route 241 (SR 241) is a state highway in Orange County, California that is a toll road for its entire length. Its southern half from near Las Flores to near Irvine is the Foothill Transportation Corridor, while its northern half to SR& ...
to the
Riverside Freeway The Riverside Freeway is one of the named principal Southern California freeways The Southern California freeways are a vast network of interconnected freeways in the megaregion of Southern California, serving a population of 23 million peop ...
* State Route 261 **
Eastern Transportation Corridor Eastern Toll Road or Eastern Turnpike may refer to the following toll roads: ;United States * The Eastern Transportation Corridor, the tollway system in California, comprising portions of: ** California State Route 133, State Route 133 ** Californi ...
from Jamboree Road near the
Santa Ana Freeway The Santa Ana Freeway is one of the principal freeways in Southern California, connecting Los Angeles and its southeastern suburbs including the freeway's namesake, the city of Santa Ana. The freeway begins at its junction with the San Diego Free ...
to State Route 241 * Interstate 405 **
San Diego Freeway The San Diego Freeway is one of the named principal Southern California freeways. It consists of the following two segments: *Interstate 5 Interstate 5 (I-5) is the main north–south Interstate Highway on the West Coast of the United S ...
from the
El Toro Y The El Toro "Y" is a freeway interchange in southern Orange County, California where the Santa Ana Freeway, Interstate 5 (I-5), and the San Diego Freeway (at that point the I-405) merge. South of the El Toro Y, the highway is named the " ...
to
San Fernando San Fernando may refer to: People *Ferdinand III of Castile (c. 1200–1252), called ''San Fernando'' (Spanish) or ''Saint Ferdinand'', King of Castile, León, and Galicia Places Argentina *San Fernando de la Buena Vista, city of Greater Buenos ...
*
Interstate 605 Interstate 605 (abbreviated I-605, officially known as the San Gabriel River Freeway) is a major north–south auxiliary Interstate Highway in the Greater Los Angeles urban area of Southern California. It runs from I-405 and State Route& ...
** San Gabriel River Freeway from
Seal Beach Seal Beach is a coastal city in Orange County, California, United States. As of the 2020 census, the population was 25,242, up from 24,168 at the 2010 census. Seal Beach is located in the westernmost corner of Orange County. To the northwest ...
to
Duarte Duarte may refer to: * Duarte (surname), person's surname (or composed surname) and given name * Duarte, California, United States * Duarte Province, Dominican Republic * Pico Duarte Pico Duarte is the highest peak in the Dominican Republic, on th ...
*
Interstate 710 Route 710, consisting of the non-contiguous segments of State Route 710 (SR 710) and Interstate 710 (I-710), is a major north–south state highway and auxiliary Interstate Highway in the Los Angeles metropolitan area of the ...
**
Long Beach Freeway Long may refer to: Measurement * Long, characteristic of something of great duration * Long, characteristic of something of great length * Longitude (abbreviation: long.), a geographic coordinate * Longa (music), note value in early music mens ...
from
Long Beach Long Beach is a city in Los Angeles County, California. It is the 42nd-most populous city in the United States, with a population of 466,742 as of 2020. A charter city, Long Beach is the seventh-most populous city in California. Incorporate ...
to
Alhambra The Alhambra (, ; ar, الْحَمْرَاء, Al-Ḥamrāʾ, , ) is a palace and fortress complex located in Granada, Andalusia, Spain. It is one of the most famous monuments of Islamic architecture and one of the best-preserved palaces of the ...
**freeway stub south from the
Foothill Freeway The Foothill Freeway is a freeway in the Los Angeles metropolitan area, California, running from the Sylmar district of Los Angeles east to Redlands. The western segment is signed as Interstate 210 (I-210) from its western end at I-5 to S ...


See also

*


References


Further reading

* *Carney, Steve. "From Superhighways To Sigalerts: Freeways Have Become Part Of Southland's Identity." ''Los Angeles Daily News'', September 21, 1999, p. N4. *Hise, Greg (1999). ''Magnetic Los Angeles: Planning the Twentieth-Century Metropolis.'' Johns Hopkins University Press. . *Schrank and T. Lomax, The Urban Mobility Report 2007. Texas Transportation Institute. *Taylor, Brian (2004). "The Geography of Urban Transportation Finance," pp 294–331 in Hanson and Giuliano eds., ''The Geography of Urban Transportation'', 3rd Edition. The Guilford Press. {{ISBN, 1-59385-055-7.


External links


The History of Southern California Freeway DevelopmentSouthern California Area Highways PageCalifornia Department of Transportation
Live Streaming Traffic Cams
California Highway Patrol
Los Angeles Traffic Incident Information Page
Sigalert
Los Angeles Traffic Report
California Department of Transportation
Named Freeways (
PDF Portable Document Format (PDF), standardized as ISO 32000, is a file format developed by Adobe in 1992 to present documents, including text formatting and images, in a manner independent of application software, hardware, and operating systems. ...
file)

Southern California Trucking Accidents
California Institute for Telecommunications
Wireless Traffic Reports for Southern Cal
The Urban Mobility Report 2007, Texas Transportation InstituteShould I buy a home near the freeway? (from SCPCS)
Southern California freeways, Lists of roads in California