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State Route 91 (SR 91) is a major east–west
state highway A state highway, state road, or state route (and the equivalent provincial highway, provincial road, or provincial route) is usually a road that is either ''numbered'' or ''maintained'' by a sub-national state or province. A road numbered by a ...
in the U.S. state of
California California is a U.S. state, state in the Western United States, located along the West Coast of the United States, Pacific Coast. With nearly 39.2million residents across a total area of approximately , it is the List of states and territori ...
that serves several regions of the
Greater Los Angeles 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 ...
urban area. A freeway throughout its entire length, it officially runs from
Vermont Avenue Vermont Avenue is one of the longest running north–south streets in City of Los Angeles and Los Angeles County, California. With a length of , is the third longest of the north–south thoroughfares in the region. For most of its length betwe ...
in Gardena, just west of the junction with the Harbor Freeway ( Interstate 110, I-110), east 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 ...
at the junction with the
Pomona 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 municipality in Stann Creek District Mexico ...
( SR 60 west of SR 91) and
Moreno Valley Moreno Valley is a city in Riverside County, California, United States, and is part of the Riverside–San Bernardino–Ontario metropolitan area. It is the second-largest city in Riverside County by population and one of the Inland Empire's po ...
(SR 60 and
I-215 Interstate 215 is the designation for several Interstate Highways in the United States, all of which are related to Interstate 15 (I-15): * Interstate 215 (California), a regional Interstate bypass for I-15 and a connection to I-10 that serves the ...
east of SR 91) freeways. Though signs along the portion from Vermont Avenue west to Pacific Coast Highway (SR 1) in Hermosa Beach along Artesia Boulevard are still signed as SR 91, the
California Department of Transportation The California Department of Transportation (Caltrans) is an executive department of the U.S. state of California. The department is part of the cabinet-level California State Transportation Agency (CalSTA). Caltrans is headquartered in Sacrame ...
(Caltrans) no longer controls this portion of the highway, as this segment was relinquished to local jurisdictions in 2003. SR 91 inherited its route number from the mostly decommissioned U.S. Route 91 (US 91), which passed through 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 ...
in a northeasterly direction on its way to
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 ...
,
Salt Lake City Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the Capital (political), capital and List of cities and towns in Utah, most populous city of Utah, United States. It is the county seat, seat of Salt Lake County, Utah, Sal ...
, and points beyond. Those segments of US 91 are now parallel to, or have been replaced altogether by,
I-15 I15 may refer to: * Interstate 15, a north–south Interstate Highway in the United States of America * Polikarpov I-15, a Soviet fighter aircraft * I15 (band) "Soulja Girl" is the second single from American rapper Soulja Boy's studio album '' ...
.


Route description

From the Harbor Freeway (I-110) to its interchange with 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 mensur ...
(I-710) in northern
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 ...
, SR 91 is named the Gardena Freeway. Between the Long Beach Freeway and its interchange with the Santa Ana Freeway (I-5) in
Buena Park Buena Park (''Buena'', Spanish for "Good") is a city in Orange County, California, United States. As of the 2020 census its population was 84,034. It is the location of several tourist attractions, namely Knott's Berry Farm. It is about 12 mil ...
, it is named the Artesia Freeway. From the Santa Ana Freeway to its eastern terminus at the interchange of the Pomona, Moreno Valley, and Escondido Freeways, it is named the Riverside Freeway.
Control cities 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 m ...
on the route vary by location. Heading westbound, between SR 60/I-215 and the Orange County line, the control city is Beach Cities. With SR 241 heading towards
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 ...
,
Laguna Beach Laguna Beach (; ''Laguna'', Spanish for "Lagoon") is a seaside resort city located in southern Orange County, California, in the United States. It is known for its mild year-round climate, scenic coves, environmental preservation efforts, and a ...
, and the rest of south Orange County, the control city becomes
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' ...
between the Orange–Riverside county line and I-5. I-5 directs travelers to Los Angeles so between I-5 and Pioneer Boulevard, the control city is Artesia. Between Pioneer Boulevard and SR 1, the control city becomes Beach Cities again besides Carmenita Road in Cerritos, the control city is 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 ...
. Heading eastbound, the control city for the entire route is
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 ...
. The Beach Cities control city may have to do with SR 91's former western terminus in Hermosa Beach. SR 91 is part of the
California Freeway and Expressway System The California Freeway and Expressway System is a system of existing or planned freeways and expressways in the U.S. state of California. It encompasses both State highways and federal highways in California. It is defined by Article 2 (commenci ...
, and is part of the National Highway System,
a network of highways that are considered essential to the country's economy, defense, and mobility by the
Federal Highway Administration The Federal Highway Administration (FHWA) is a division of the United States Department of Transportation that specializes in highway transportation. The agency's major activities are grouped into two programs, the Federal-aid Highway Program a ...
. SR 91 is part of the State Scenic Highway System from SR 55 to the east city limit of
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 ...
, in the western part of the
Santa Ana Canyon Santa Ana Canyon ( es, Cañón de Santa Ana), or the Santa Ana Narrows, is the water gap where the Santa Ana River passes between the Santa Ana Mountains and the Chino Hills, near the intersection of Orange, Riverside, and San Bernardino counties, ...
, and is eligible for the system through the canyon to Interstate 15.


Gardena Freeway

The Gardena Freeway is a
freeway 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 ...
in southern
Los Angeles County Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is the ...
. It is the westernmost freeway portion of State Route 91. It begins just west of the Harbor Freeway at the intersection with
Vermont Avenue Vermont Avenue is one of the longest running north–south streets in City of Los Angeles and Los Angeles County, California. With a length of , is the third longest of the north–south thoroughfares in the region. For most of its length betwe ...
in the eastern edge of the city of Gardena, proceeding eastward approximately six miles (10 km) until it intersects the Long Beach Freeway. Thereafter, SR 91 is known as the Artesia Freeway. Until 1991, the Gardena Freeway was known as the Redondo Beach Freeway. The name change reflected the successful efforts of the cities of Torrance and
Redondo Beach Redondo Beach (Spanish for ''round'') is a coastal city in Los Angeles County, California, United States, located in the South Bay (Los Angeles County), South Bay region of the Greater Los Angeles area. It is one of three adjacent Beach Cities, b ...
to block the extension of the freeway westward to its intended terminus at the cancelled Pacific Coast Freeway in Redondo Beach. In 1997, the California government dedicated the portion of SR 91 between Alameda Street and Central Avenue to former assemblyman Willard H. Murray Jr.


Artesia Freeway

The Artesia Freeway is a
freeway 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 ...
in southeastern
Los Angeles County Los Angeles County, officially the County of Los Angeles, and sometimes abbreviated as L.A. County, is the most populous county in the United States and in the U.S. state of California, with 9,861,224 residents estimated as of 2022. It is the ...
and northwestern
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 ...
. It runs east–west from its western terminus at the Long Beach Freeway in northern
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 its eastern terminus at the Santa Ana Freeway in
Buena Park Buena Park (''Buena'', Spanish for "Good") is a city in Orange County, California, United States. As of the 2020 census its population was 84,034. It is the location of several tourist attractions, namely Knott's Berry Farm. It is about 12 mil ...
. (SR 91 continues west of the Long Beach Freeway as the Gardena Freeway, and east of the Santa Ana Freeway as the Riverside Freeway.) The "Artesia Freeway" name originally was assigned to the entire length of SR 91 west of the Santa Ana Freeway in the early 1970s since it was, in sense, the freeway realignment of SR 91 from the paralleling Artesia Boulevard. During the
1984 Summer Olympics The 1984 Summer Olympics (officially the Games of the XXIII Olympiad and also known as Los Angeles 1984) were an international multi-sport event held from July 28 to August 12, 1984, in Los Angeles, California, United States. It marked the secon ...
, a stretch of the highway was home to the cycling men's road team time trial event. As the only freeway to link
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' ...
, Orange, and
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 ...
counties, SR 91 is one of the most heavily congested routes in Southern California.


Riverside Freeway

Between the Santa Ana Freeway, Interstate 5 (I-5), in
Buena Park Buena Park (''Buena'', Spanish for "Good") is a city in Orange County, California, United States. As of the 2020 census its population was 84,034. It is the location of several tourist attractions, namely Knott's Berry Farm. It is about 12 mil ...
and the 91 Freeway's eastern terminus at a junction with Interstate 215 and State Route 60 in
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 ...
, the 91 Freeway's assigned name is 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 ...
. Past the I-215/SR 60/SR 91 junction, the Riverside Freeway continues as I-215. The freeway through the
Santa Ana Canyon Santa Ana Canyon ( es, Cañón de Santa Ana), or the Santa Ana Narrows, is the water gap where the Santa Ana River passes between the Santa Ana Mountains and the Chino Hills, near the intersection of Orange, Riverside, and San Bernardino counties, ...
is paralleled by the
91/Perris Valley Line The 91/Perris Valley Line, formerly known as the 91 Line, is a commuter rail route operated by Metrolink that runs from Los Angeles to Perris in Southern California, paralleling State Route 91 between Riverside and Santa Fe Springs. Operating si ...
of Metrolink. Named after SR 91, the line also connects Los Angeles to Orange and Riverside counties. A
weigh station A weigh station is a checkpoint along a highway to inspect vehicular weights and safety compliance criteria. Usually, trucks and commercial vehicles are subject to the inspection. Weigh stations are equipped with truck scales, some of which are ...
is available between the Imperial Highway and Yorba Linda Boulevard/Weir Canyon Road exits. In 2003, Caltrans permanently closed off the Coal Canyon Road westbound and eastbound exits and entrances for environmental purposes; however, there are still traces of unmaintained road where the former exit lay, showing evidence that the ramps still exist, available to use as runaway ramps or emergency stops. In 2015, Caltrans permanently closed off the Grand Boulevard eastbound exit and westbound entrance to accommodate the widening of the freeway. If the ramps had stayed open, more businesses and houses would have been demolished. The ramps were scrapped with the widening and there is no emergency exit. The Riverside Freeway first opened in 1963 signed as U.S. Route 91 and
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 be ...
and the last section was built in 1975.


91 Express Lanes

The 91 Express Lanes are
high-occupancy toll lanes A high-occupancy toll lane (or HOT lane) is a type of traffic lane or roadway that is available to high-occupancy vehicles and other exempt vehicles without charge; other vehicles are required to pay a variable fee that is adjusted in response t ...
(HOT lanes) contained entirely within the
median In statistics and probability theory, the median is the value separating the higher half from the lower half of a data sample, a population, or a probability distribution. For a data set, it may be thought of as "the middle" value. The basic fe ...
of the Riverside Freeway in Orange and
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 ...
counties. The 91 Express Lanes run from the junction of SR 91 with the SR 55 Freeway (Costa Mesa Freeway) in
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 ...
to its junction with
I-15 I15 may refer to: * Interstate 15, a north–south Interstate Highway in the United States of America * Polikarpov I-15, a Soviet fighter aircraft * I15 (band) "Soulja Girl" is the second single from American rapper Soulja Boy's studio album '' ...
in Corona. Before the extension in 2017, they ended at the Riverside County line. With the extension of the toll lanes, the HOV lane between I-15 and Green River Road was converted into a HOT lane. The primary purpose of the toll lanes is to provide a faster output for drivers due to the congestion the highway experiences during peak hours, and to promote carpooling. The toll lanes opened in 1995 and when they opened, it was the country's first fully-automated toll collection system to feature value pricing. The 91 Express Lanes consist of two primary lanes in each direction, separated from the main lanes of the Riverside Freeway with white, , plastic lane markers (as opposed to concrete barriers or a similar solid barrier, or even just double white lines separating many other California HOT lanes). Entry and exit points for the 91 Express Lanes are only located at their west and east ends, and at the Orange–Riverside county line where the toll road originally terminated before 2017. All tolls are collected using an open road tolling system, and therefore there are no toll booths to receive cash. Each vehicle is required to carry a
FasTrak FasTrak is the electronic toll collection (ETC) system used in the state of California in the United States. The system is used statewide on all of the toll roads, toll bridges, and high-occupancy toll lanes along the California Freeway and E ...
transponder. The 91 Express Lanes use a
variable pricing Variable pricing is a pricing strategy for products. Traditional examples include auctions, stock markets, foreign exchange markets, bargaining, electricity, and discounts. More recent examples, driven in part by reduced transaction costs using ...
system based on the time of day. The road is not truly congestion priced because toll rates come from a preset schedule and are not based on actual congestion. , the highest toll rate on the tollway, charged 2:00 pm to 3:00 pm eastbound on Fridays, is $14.24 to travel the entire length ($8.60 on the Orange County segment, plus $5.65 on the Riverside County segment). The highest toll in the morning rush hour, charged 7:00 am to 7:59 am westbound Monday to Thursday, is $15.35 ($9.40 on the Riverside County segment, plus $5.95 on the Orange County segment). Carpools with three or more people are charged 50 percent of the posted toll when traveling eastbound from 4:00 pm to 6:00 pm on weekdays, and travel toll-free at all other times, if they use the designated carpool lane at the toll collection points. Drivers without any FasTrak tag will be assessed a toll violation regardless of whether they qualified for the carpool discounts. A toll policy is published which states the criteria where tolls will be raised. The policy is designed to "a) reduce the likelihood of congestion by diverting traffic to other hours with available capacity; b) maintain free flow travel speed in the 91 Express Lanes; c) maintain travel time savings; d) accommodate projected growth in travel demand and; e) ensure that the toll road generates sufficient revenue to effectively operate the toll lanes and maintain a strong debt service position." Changes to the toll schedule require ten days notification to the public and the OCTA board. Once tolls are changed during the super peak period, they may not be changed again for six months. All tolls increase annually due to inflation. Despite this, the toll lanes are generally free flowing during most peak hour conditions.


History


Original US 91: Barstow to Nevada

The Arrowhead Trail, an
auto trail The system of auto trails was an informal network of marked routes that existed in the United States and Canada in the early part of the 20th century. Marked with colored bands on utility poles, the trails were intended to help travellers in ...
connecting
Salt Lake City Salt Lake City (often shortened to Salt Lake and abbreviated as SLC) is the Capital (political), capital and List of cities and towns in Utah, most populous city of Utah, United States. It is the county seat, seat of Salt Lake County, Utah, Sal ...
with
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' ...
, initially took a longer route via present
US 95 US Route 95 (US 95) is a major north–south US Highway in the western United States. It travels through the states of Arizona, California, Nevada, Oregon, and Idaho, staying inland from the Pacific Coast. US 95 begins in San Luis, ...
and former
US 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...
between Las Vegas and Needles, as the more direct Old Spanish Trail was in very poor condition. The "
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 ...
cutoff", which would save about 90 miles (145 km), was proposed by 1920, and completed in 1925 as an
oiled road Asphalt concrete (commonly called asphalt, blacktop, or pavement in North America, and tarmac, bitumen macadam, or rolled asphalt in the United Kingdom and the Republic of Ireland) is a composite material commonly used to surface road surface, ...
by San Bernardino County. The Bureau of Public Roads and the state of
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 ...
both urged its inclusion in the state highway system, the former as part of the
federal aid A subsidy or government incentive is a form of financial aid or support extended to an economic sector (business, or individual) generally with the aim of promoting economic and social policy. Although commonly extended from the government, the ter ...
highway connecting Salt Lake City and Los Angeles, and the state legislature did that in 1925, with it becoming an extension of Route 31. (Across the state line,
State Route 6 Route 6, or Highway 6, may refer to routes in the following countries: International * Asian Highway 6 * European route E6 * European route E006 Albania * National Road SH6 Argentina * Buenos Aires Provincial Route 6 Australia New ...
continued through Las Vegas to
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 ...
.) The initial plan for the
U.S. Highway system The United States Numbered Highway System (often called U.S. Routes or U.S. Highways) is an integrated network of roads and highways numbered within a nationwide grid in the contiguous United States. As the designation and numbering of these hi ...
simply stated that Route No. 91 would run from Las Vegas "to an intersection with Route No. 60" (which became US 66 in 1926), but in 1926 the cutoff was chosen, ending at US 66 at Daggett, just east of Barstow. (The roadway south from Las Vegas later became part of US 95.) The route was added to the federal-aid secondary system in 1926, which helped pay for a mid-1930s widening and paving, including some realignments (parts of the old road are now known as Arrowhead Trail). The new routing generally followed the present
I-15 I15 may refer to: * Interstate 15, a north–south Interstate Highway in the United States of America * Polikarpov I-15, a Soviet fighter aircraft * I15 (band) "Soulja Girl" is the second single from American rapper Soulja Boy's studio album '' ...
, except through
Baker A baker is a tradesperson who bakes and sometimes sells breads and other products made of flour by using an oven or other concentrated heat source. The place where a baker works is called a bakery. History Ancient history Since grains ha ...
(where it used Baker Boulevard) and into Barstow (where it followed former SR 58 to First Avenue, ending at Main Street, which carried US 66).


SR 18: former extension of US 91 through Santa Ana Canyon to Long Beach

US 91 was extended southwest to
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 ...
in the late 1940s. Beginning at Barstow, the extension overlapped
US 66 U.S. Route 66 or U.S. Highway 66 (US 66 or Route 66) was one of the original highways in the United States Numbered Highway System. It was established on November 11, 1926, with road signs erected the following year. The h ...
over
Cajon Pass Cajon Pass (; Spanish: ''Puerto del Cajón'' or ''Paso del Cajón'') is a mountain pass between the San Bernardino Mountains to the east and the San Gabriel Mountains to the west in Southern California. Created by the movements of the San Andreas ...
to San Bernardino. From San Bernardino west through
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 ...
and
Santa Ana Canyon Santa Ana Canyon ( es, Cañón de Santa Ana), or the Santa Ana Narrows, is the water gap where the Santa Ana River passes between the Santa Ana Mountains and the Chino Hills, near the intersection of Orange, Riverside, and San Bernardino counties, ...
to
Olive The olive, botanical name ''Olea europaea'', meaning 'European olive' in Latin, is a species of small tree or shrub in the family Oleaceae, found traditionally in the Mediterranean Basin. When in shrub form, it is known as ''Olea europaea'' ...
, the state took over a mostly paved county highway in 1931 as part of an extension of Route 43 to
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 ...
via Santa Ana. Two branches leading west from Route 43 near Olive along mostly constructed county roads were added in 1933: Route 175 along Orangethorpe Avenue and Artesia Boulevard from near the mouth of the canyon west to
Route 60 The following highways are numbered 60: International * Asian Highway 60 * European route E60 Australia * Bruxner Highway * Dawson Highway (Rolleston to Gladstone) - Queensland State Route 60 Brazil * BR-060 Canada * Alberta Highway 60 * ...
(now SR 1) in Hermosa Beach (unconstructed through
Compton Compton may refer to: Places Canada * Compton (electoral district), a former Quebec federal electoral district * Compton (provincial electoral district), a former Quebec provincial electoral district now part of Mégantic-Compton * Compton, Que ...
until the mid-1950s), and Route 178 along Lincoln Avenue and Carson Street from Olive west to Route 168 (now SR 19) in
Lakewood Lakewood may refer to: Places Australia * Lakewood, Western Australia, an abandoned town in Western Australia Canada * Lakewood, Edmonton, Alberta * Lakewood Suburban Centre, Saskatoon, Saskatchewan Philippines * Lakewood, Zamboanga del S ...
. When state routes were marked in 1934, Route 175 became Sign Route 14, and Sign Route 18 included all of Route 178 and most of Route 43 into the
San Bernardino Mountains The San Bernardino Mountains are a high and rugged mountain range in Southern California in the United States. Situated north and northeast of San Bernardino and spanning two California counties, the range tops out at at San Gorgonio Mountain ...
. When US 91 was extended to Long Beach, it overlapped SR 18 from San Bernardino to Lakewood, where it turned south along SR 19 to the Los Alamitos Traffic Circle. There it turned west along US 101 Alternate to near downtown Long Beach, where it ended at
SR 15 Route 15, or Highway 15, can refer to: For roads named A15, see A15 roads. International * Asian Highway 15 * European route E15 * European route E015 Australia New South Wales * Hunter Expressway * New England Highway and other local Ne ...
(
Atlantic Avenue Atlantic Avenue may refer to: Highways * Atlantic Avenue (Boston) in Massachusetts * Atlantic Avenue (New York City) in Brooklyn and Queens, New York * Florida State Road 806 in Palm Beach County, locally known as Atlantic Avenue * Atlantic Avenue ...
), at a terminus shared with
US 6 U.S. Route 6 (US 6), also called the Grand Army of the Republic Highway, honoring the American Civil War veterans association, is a main route of the U.S. Highway system. While it currently runs east-northeast from Bishop, California, to ...
. (This routing along SR 19 and US 101 Alt. also became an extension of SR 18.) In 1935, the state improved the alignment between Fairmont Boulevard and Gypsum Canyon Road, including a bypass of the old road, which curved along the south slope of the canyon, east of Weir Canyon Road. In the late 1930s, the Prado Dam project resulted in the bypassing of a longer section, replacing Prado Road, an abandoned road curving to the east end of the dam, Pomona Rincon Road, Auto Center Drive, Pomona Road, and Yorba Street with the present Green River Road, Palisades Drive, part of SR 91, and 6th Street. "routes usually traveled" as of 1941 "routes usually traveled" as of 1941


SR 14: present SR 91 to Hermosa Beach

Before the present freeway was constructed, SR 14 ran along Gould Avenue, Redondo Beach Boulevard, Compton Boulevard, Alameda Street, Artesia Avenue, La Habra Boulevard, Firestone Boulevard and Orangethorpe Avenue. In the 1964 renumbering, SR 14 was renumbered to SR 91. Prior to 1991, the Gardena Freeway was known as the Redondo Beach Freeway, referring to
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 ...
's original intention for the freeway portion of the route to continue all the way to the never-built Pacific Coast Freeway. Before 1997, Caltrans controlled maintenance of SR 91 up to
State Route 1 The following highways are numbered 1. For roads numbered A1, see list of A1 roads. For roads numbered B1, see list of B1 roads. For roads numbered M1, see List of M1 roads. For roads numbered N1, see list of N1 roads. For roads numbered S ...
in Hermosa Beach. The portion between
Vermont Avenue Vermont Avenue is one of the longest running north–south streets in City of Los Angeles and Los Angeles County, California. With a length of , is the third longest of the north–south thoroughfares in the region. For most of its length betwe ...
and Western Avenue was relinquished to Gardena in 1997. In 2003, the western portion, from SR 1 to Western Avenue, was relinquished to the cities that the road goes through. The first segment of the freeway was built in 1965 as US 91, and the last segment was built in 1975. Despite the relinquishments, however, Artesia Boulevard between I-110 and SR 1 is still signed off as SR 91.


Construction of the 91 Express Lanes

Due to rapid population growth and the decline in the availability of affordable housing closer to job centers in
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, new residential development began in earnest in western Riverside County from the 1980s through today. This development is occurring in or around existing cities such as Riverside, Corona, Moreno Valley, Lake Elsinore, Murrieta, and Temecula. This development also led to the incorporation of the cities of Wildomar, Menifee, Eastvale, and Jurupa Valley. As there are very few direct routes between Orange and Riverside counties because of the
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that separate them, the Riverside Freeway is subject to high traffic volumes, composed primarily of commuters traveling between their jobs in Orange County and their homes in Riverside County (often referred to by traffic reporters as "The Corona Crawl"). Typical peak period delays were 30–40 minutes in each direction in the ten miles (16 km) of the tollway before construction. Solutions to the traffic problem were limited. The chosen solution was to create a toll road in the median of the freeway. This original section of the 91 Express Lanes operated between 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 th ...
( SR 55) interchange in eastern
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and the Orange–Riverside county line, a distance of about . The project was developed in partnership with the
California Department of Transportation The California Department of Transportation (Caltrans) is an executive department of the U.S. state of California. The department is part of the cabinet-level California State Transportation Agency (CalSTA). Caltrans is headquartered in Sacrame ...
(Caltrans) by California Private Transportation Company (CPTC), which formally transferred ownership of the facility to the State of California prior to opening the project to traffic on December 27, 1995. Caltrans then leased the toll road back to CPTC for a 35-year operating period. The new lanes have been officially designated a part of the state highway system. The California Highway Patrol (CHP) is responsible for providing police services at CPTC's expense. Maintenance and operational costs for the facility are also the responsibility of CPTC. In April 2002, the Orange County Transportation Authority (OCTA) reached an agreement in concept to purchase the private toll road project for $207.5 million. The OCTA took possession of the toll road on January 3, 2003, marking the first time the 91 Express Lanes was managed by public officials. Within a few months, OCTA turned the lanes into the HOT / tollway hybrid that it is today. One of the primary investors in CPTC,
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, continues to manage and operate the lanes under a management contract with OCTA. Opening in 1995, the 91 Express Lanes was the first privately funded tollway built in the United States since the 1940s, and the first fully automated tollway in the world. The express lanes have been controversial because of a non-compete agreement that the state made with CPTC. The clause, which was negotiated by Caltrans and never was brought to the legislature, prevented any improvements along of the Riverside Freeway to ensure profit for the express lanes. This includes restricting the state from widening the free lanes or building mass transit near the freeway. CPTC filed a lawsuit against Caltrans over freeway widening related to the interchange with 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 ...
, which was dismissed once the purchase with OCTA was finalized. Following the settlement, an additional lane was added for a segment eastbound from SR 241 to SR 71. However, as a result of the controversy, more toll road advocates favor creating local agencies similar to transportation corridor agencies to build and maintain future tollways. New toll roads would be financed with tax-exempt bonds on a stand-alone basis, meaning that taxpayers would not be responsible for repaying any debt if toll revenues fall short. Also, there would be a less restrictive non-compete clause: they would be compensated only for any revenue loss caused by improvements near the toll roads. In the mid-2010s, the
Riverside County Transportation Commission The Riverside County Transportation Commission (RCTC) is the County Transportation Commission (a subdivision of the six-county Southern California Association of Governments metropolitan planning organization) for Riverside County, California, ...
extended the 91 Express Lanes east from their previous terminus at the Orange–Riverside county line to the I-15 interchange in Corona; this extension opened to traffic on March 20, 2017. Both Orange and Riverside County transportation agencies co-manage the 91 Express Lanes.


Future

In 2005, evaluations were made about the feasibility of constructing two tunnels through the
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which could carry 72,000 cars per day and allow for a commuter rail service between Corona and
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. The financial and technical evaluations found that in the current financial environment, building the tunnels would not be financially or technologically feasible. Additional study of the Irvine Corona Expressway tunnel project has been deferred until such time as financial considerations improve and/or technological advancements warrant reexamination. If built, the Irvine-Corona Expressway would follow a similar route to the 91 Freeway and is designed to reduce the growing traffic congestion on SR 91 that prompted the construction of the 91 Express Lanes. If completed, the Irvine-Corona Expressway is projected to be the longest traffic tunnel in North America, approximately . One tunnel would be a reversible two-lane freeway for autos and trucks, the direction reversed based on time of day. It would carry westbound traffic in the morning hours, and eastbound traffic during the afternoon and early evening hours. The second tunnel would be slated exclusively for light rail commuter train service. The proposed tunnels are opposed by environmental groups, cities in Orange County near the terminus of the proposed road, and by the Irvine Company, which believes that the tunnel is not necessary and distracts from short-term solutions such as freeway widening. Numerous other projects by the Orange County Transportation Authority are currently underway or in the planning phases for distant completion, some as far out as the year 2030.


Exit list


See also

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References


External links

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California @ AARoads - California 91Caltrans: Route 91 highway conditions
{{Olympic venues cycling 091 091 State Route 091 State Route 091 State Route 091 091 Venues of the 1984 Summer Olympics Olympic cycling venues California State Route 091