There are 34 routes assigned to the "S" zone of the California Route Marker Program, which designates

county routes in California County routes in the U.S. state of California are controlled and maintained by the respective counties in which they are located. However, they are generally patrolled by the state's California Highway Patrol. They are typically major thoroughfa ...

. The "S" zone includes county highways in

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 ...

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 * ...

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 ...

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 ...

, and Santa Barbara counties.

S1

County Route S1 (CR S1), also known as Sunrise Highway for a portion of its length, is a long

county highway A county highway (also county road or county route; usually abbreviated CH or CR) is a road in the United States and in the Canadian province of Ontario that is designated and/or maintained by the county highway department. Route numbering can ...

located entirely in

San Diego County, California 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 ...

, United States. It begins at State Route 94 near Barrett and moves northward across

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, ...

, just west of the

Laguna Summit Laguna Summit is a highway pass through the Cuyamaca Mountains of southeastern San Diego County, California, traversed by Interstate 8 at an altitude of . Of the four highway summits eastward of San Diego, the Laguna Summit is the second. The ...

. This segment is also known as Buckman Springs Road. North of I-8, it is the Sunrise Scenic Byway, a

National Forest Scenic Byway The National Forest Scenic Byways are roads that have been designated by the U.S. Forest Service as scenic byways. Many are also National Scenic Byways (NSB). The program was initiated in 1987. __TOC__ List The following roadways were listed b ...

. ;Route description Sandiegocountys1photob

The route begins at SR 94 near Barrett not far from the

Mexican Mexican may refer to: Mexico and its culture *Being related to, from, or connected to the country of Mexico, in North America ** People *** Mexicans, inhabitants of the country Mexico and their descendants *** Mexica, ancient indigenous people ...

border. From there, it heads northward along Buckman Springs Road. Soon afterwards, it enters the

Cleveland National Forest Cleveland National Forest encompasses 460,000 acres (), mostly of chaparral, with a few riparian areas. A warm dry mediterranean climate prevails over the forest. It is the southernmost U.S. National Forest of California. It is administered by th ...

. When the road reaches

, while Buckman Springs Road continues northeastward across the freeway, CR S1 continues in a northwest direction along Old Highway 80, the original alignment of U.S. Route 80 in California. It then closely parallels I-8 for several miles. Upon crossing the freeway at Laguna Junction, CR S1 separates from Old Highway 80 and becomes Sunrise Scenic Byway. Sandiegocountys1photoc

From

, it begins its ascent into the Laguna Mountains. The route here was built along a cliff overlooking Pine Valley to its west. Around here, the vegetation still consists of

chaparral Chaparral ( ) is a shrubland plant community and geographical feature found primarily in the U.S. state of California, in southern Oregon, and in the northern portion of the Baja California Peninsula in Mexico. It is shaped by a Mediterranean c ...

and

sagebrush Sagebrush is the common name of several woody and herbaceous species of plants in the genus ''Artemisia''. The best known sagebrush is the shrub ''Artemisia tridentata''. Sagebrushes are native to the North American west. Following is an alph ...

. As the route gains elevation through

, the route becomes more heavily forested. Around here, numerous campgrounds dot the side of the road. There is a picnic area overlooking

Anza-Borrego Desert State Park Anza-Borrego Desert State Park (, '' AN-zə bə-RAY-goh'') is a California State Park located within the Colorado Desert of southern California, United States. The park takes its name from 18th century Spanish explorer Juan Bautista de Anza and ...

near the Burnt Rancheria Campground, which is often said to deeply contrast the forest scenery along the route. Upon passing the settlement of

Mount Laguna Mount Laguna is a small census-designated place (CDP) in San Diego County, California. It is approximately above sea level in a forest of Jeffrey pine, east of San Diego in the Laguna Mountains on the eastern edge of the Cleveland National Forest ...

, the vegetation along the route mostly consists of dead trees devastated by the 2003

Cedar Fire The Cedar Fire was a massive, highly-destructive wildfire, which burned of land in San Diego County, California, San Diego County, California, during October and November 2003. The fire's rapid growth was driven by the Santa Ana wind, causing ...

. As the route approaches its north end at State Route 79,

Lake Cuyamaca Lake Cuyamaca, also called Cuyamaca Reservoir, is a reservoir and a recreation area in the eastern Cuyamaca Mountains, located in eastern San Diego County, California. Geography California State Route 79 wraps around three shores, and provides ...

is visible. The north terminus is located just north of

Cuyamaca Rancho State Park Cuyamaca Rancho State Park is a state park in Southern California, United States, located east of San Diego in the Cuyamaca and Laguna Mountains of the Peninsular Ranges. The park's feature pine, fir, and oak forests, with meadows and streams ...

where it meets SR 79. ;History Sandiegocountys1photod

The route was established by the county in the year 1959, where the entire route was designated as it is now. No major numbering or routing changes occurred throughout its history. The northern segment of the route was also established as a Scenic Byway in 1959. File:Sandiegocountys1map.gif, Map File:Sandiegos1photoa.jpg, Bridge over Cottonwood Creek File:Sandiegocountys1photob.jpg, Buckman Springs Rd. and Old Highway 80 File:Sandiegocountys1photoc.jpg, Bridge over Interstate 8 File:Sandiegocountys1photod.jpg, Near Al Bahr Shrine Camp File:Sandiegocountys1photoe.jpg, California Riding and Hiking Trail File:Sandiegocountys1photof.jpg, Junction with California Route 79 ;Major intersections

S2

County Route S2 (CR S2) is a

in the U.S. state of California. It runs for , north–south, in

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 ...

and

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 ...

. CR S2 is the third longest county route in California and is almost exclusively a two-lane rural road. It largely follows the route of the former

Southern Emigrant Trail :''The Southern Emigrant Trail should not be confused with the Applegate Trail, which is part of the Northern Emigrant Trails.'' Southern Emigrant Trail, also known as the Gila Trail, the Kearny Trail, Southern Trail and the Butterfield Stage ...

and

Butterfield Overland Mail Butterfield Overland Mail (officially the Overland Mail Company)Waterman L. Ormsby, edited by Lyle H. Wright and Josephine M. Bynum, "The Butterfield Overland Mail", The Huntington Library, San Marino, California, 1991. was a stagecoach service i ...

. ;Route description Highways2signs

Starting at mile marker zero, the highway begins at a junction with State Route 79 near the community of Warner Springs. As it descends southeast toward the desert floor it becomes San Felipe Road until it crosses State Route 78 at Scissors Crossing in Shelter Valley (formerly called

Earthquake Valley Earthquake Valley is a desert valley east of Julian, California, which contains parts of the Anza-Borrego Desert State Park. It is the location of the Shelter Valley Ranchos subdivision, which is also known as the unincorporated community of She ...

). South of SR 78, the name of the highway changes to the Great Southern Overland Stage Route of 1849, then further south, it forks at a remote junction with the historic dirt road to become to Sweeney Pass Road. East of the San Diego/Imperial County Line of this segment is also called Imperial Highway. The highway runs south through an interchange with

then ends at a junction with State Route 98 near

Ocotillo ''Fouquieria splendens'' (commonly known as ocotillo (), but also referred to as buggywhip, coachwhip, candlewood, slimwood, desert coral, Jacob's staff, Jacob cactus, and vine cactus) is a plant indigenous to the Sonoran Desert and Chihuahuan ...

. File:Anza Borrego Agua Caliente.jpg, Agua Caliente Springs, desert landscape and CR S2 going south, in the

. File:Borrego Springs, California as seen from County Route S2.jpg,

Borrego Springs Borrego Springs (''Borrego'', Spanish for "Sheep") is a census-designated place (CDP) in San Diego County, California. The population was 3,429 at the 2010 census, up from 2,535 at the 2000 census, made up of both seasonal and year-round reside ...

and the surrounding desert as seen from the descent near the Montezuma Valley Road lookout. File:Shelter Valley as seen from the Pacific Crest Trail north of the community.jpg, Scissors crossing seen from the north, along the

Pacific Crest Trail The Pacific Crest Trail (PCT), officially designated as the Pacific Crest National Scenic Trail, is a long-distance hiking and equestrian trail closely aligned with the highest portion of the Cascade and Sierra Nevada mountain ranges, which lie ...

. File:Shelter Valley California Fire Department and Community Center (2011).jpg, Shelter Valley California Fire Department and Community Center on CR S2. File:Warner's Ranch (WEST ELEVATION OF RANCH HOUSE).jpg,

Warner's Ranch Warner's Ranch, near Warner Springs, California, was notable as a way station for large numbers of emigrants on the Southern Emigrant Trail from 1849 to 1861, as it was a stop on both the Gila River Trail and the Butterfield Overland Mail stag ...

, Ranch House, San Felipe Road (CR S2), Warner Springs. ;Major intersections

S3

County Route S3 (CR S3) is a

, United States. It begins at a junction with State Route 78 and runs roughly north over Yaqui Pass to

, bearing the name Yaqui Pass Road. It turns left onto Deep Well Trail and left again onto Borrego Springs Road. It ends at a junction with County Route S22 at a large

roundabout A roundabout is a type of circular intersection or junction in which road traffic is permitted to flow in one direction around a central island, and priority is typically given to traffic already in the junction.''The New Shorter Oxford En ...

known as Christmas Circle. Its total length is . There is one call box on this highway, located at Yaqui Pass summit. The highway is part of the

Juan Bautista de Anza National Historic Trail The Juan Bautista de Anza National Historic Trail is a trail extending from Nogales on the U.S.-Mexico border in Arizona, through the California desert and coastal areas in Southern California and the Central Coast region to San Francisco. ...

Auto Tour Route. File:SD-CR-S3 CA-78 junction.jpg, Junction with State Route 78 File:Yaqui Pass Road.png, Yaqui Pass Road west of Yaqui Pass File:Yaqui_Pass.png, Yaqui Pass on ;Major intersections

S4

County Route S4 (CR S4) is a road in

, United States, in the northern city limits of

and in the city of

Poway Poway () is a city in San Diego County, California, United States. The unincorporated community became a city on December 1, 1980. Poway's rural roots influenced its motto "The City in the Country". The city has a population of 49,701 as of 2 ...

. United States. The route is traversed entirely by Poway Road 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 ...

east to State Route 67. The route's western terminus is at

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 '' ...

, where the road continues west as Rancho Penasquitos Boulevard, traverses across SR 56, and finally ends as Carmel Mountain Road. Eastward, the road traverses through the city of

as Poway Road and has its east end at SR 67. Within Poway, it is one of the busiest streets in the city. The route was established in 1959. ;Major intersections

S5

County Route S5 (CR S5) is a road in

, United States, in

and

. It runs from its southern end at Poway Road (

County Route S4 There are 34 routes assigned to the "S" zone of the California Route Marker Program, which designates county routes in California. The "S" zone includes county highways in Imperial, Orange, Riverside, San Diego, and Santa Barbara counties. S1 ...

) in Poway to its northern end at

in San Diego. ;Route description The road's south end is at Poway Road (CR S4) in Poway. It winds north through Poway as Espola Road and then turns slightly west, ending at Interstate 15 as Rancho Bernardo Road (which continues past I-15). The route was established in 1959. ;Major intersections

S6

County Route S6 (CR S6) is a

, United States. It connects

Del Mar Del Mar is Spanish for "of the sea" or "from the sea". It may refer to: Places in the United States * Del Mar, California * Del Mar High School, located in San Jose, California * Del Mar racetrack, located in Del Mar, California * Del Mar Fai ...

with

Palomar Mountain Palomar Mountain ( ; es, Monte Palomar ) is a mountain ridge in the Peninsular Ranges in northern San Diego County. It is famous as the location of the Palomar Observatory and Hale Telescope, and known for the Palomar Mountain State Park. Hist ...

across San Diego County. It is one of a few San Diego county routes with a discontinuity in its routing. Californias6palomar

;Route description CR S6 starts at CR S21 in Del Mar as Via de la Valle. It crosses

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 meets with CR S8 in

Rancho Santa Fe Rancho Santa Fe is a census-designated place (CDP) in San Diego County, California, United States, within the San Diego metropolitan area. The population was 3,156 at the 2020 census. The CDP is primarily residential with a few shopping block ...

at the intersection of Via de la Valle and Paseo Delicias. At El Camino Del Norte, the name changes to Del Dios Highway, past the community of Del Dios and into Escondido. In Escondido, CR S6 runs along West and East Valley Parkways, to Valley Center Road through Valley Center. CR S6 ends at State Route 76. About east on SR 76, CR S6 begins again as South Grade Road, which winds northward on

. It intersects with CR S7, then continues north until it ends at the

Palomar Observatory Palomar Observatory is an astronomical research observatory in San Diego County, California, United States, in the Palomar Mountain Range. It is owned and operated by the California Institute of Technology (Caltech). Research time at the observat ...

The route was defined in 1959. ;Major intersections

S7

County Route S7 (CR S7) is a

, United States, that provides access to

. ;Route description CR S7's western terminus is at State Route 76 east of

Pauma Valley, California Pauma Valley (''Pauma'', Luiseño for "place where there is water") is a geographic valley and unincorporated community between Valley Center and Palomar Mountain in San Diego County, California. The name also refers to the agricultural region ...

. It begins as a dirt road known as the Nate Harrison Grade. Then it returns to pavement as it ascends Palomar Mountain and meets

San Diego County Route S6 There are 34 routes assigned to the "S" zone of the California Route Marker Program, which designates county routes in California. The "S" zone includes county highways in Imperial, Orange, Riverside, San Diego, and Santa Barbara counties. ...

. It enters

Palomar Mountain State Park Palomar Mountain ( ; es, Monte Palomar ) is a mountain ridge in the Peninsular Ranges in northern San Diego County. It is famous as the location of the Palomar Observatory and Hale Telescope, and known for the Palomar Mountain State Park. Hist ...

. Then, it descends to end at SR 76 near

Lake Henshaw Lake Henshaw is a reservoir in San Diego County, California at the southeast base of Palomar Mountain, approximately northeast of San Diego, California and southeast of Los Angeles. The lake covers approximately and holds of water when full ...

. Nate Harrison Grade is not signed as County Route S7, but it is a logical westward extension of the signed portion. With a 10% grade, it was the only road to the top of Palomar Mountain until the 1940s, when East Grade Road ("Highway to the Stars") was built for the construction of the

. The road was formerly known as "Nigger Nate Road", named after Nate Harrison, an early African-American

homesteader Homestead may refer to: *Homestead (buildings), a farmhouse and its adjacent outbuildings; by extension, it can mean any small cluster of houses * Homestead (unit), a unit of measurement equal to 160 acres * Homestead principle, a legal concept ...

. The name was changed in 1956 at the request of the

NAACP The National Association for the Advancement of Colored People (NAACP) is a civil rights organization in the United States, formed in 1909 as an interracial endeavor to advance justice for African Americans by a group including W. E.&nb ...

. On a small turnout is a monument to Gregory Pacheco and a good view to the north. According to a plaque at the monument, pictured below, Gregory Pacheco was a firefighter who died in the La Jolla Fire in 1999. The descent on the eastern side of Palomar Mountain offers panoramic views of

. File:Sandiegocountys7d.jpg, East end on Highway 76 File:Lakehenshaw lookout.jpg, Lake Henshaw from lookout on County Highway S7 File:Sandiegocountys7b.jpg, Gregory Pacheco monument File:Sandiegocountys7c.jpg, Gregory Pacheco monument File:Sandiegocountys7a.jpg, West end at entrance to Palomar Mountain State Park ;Major intersections

S8

County Route S8 (CR S8) is a

, mostly along Lomas Santa Fe Drive and Linea Del Cielo, in

, United States. Its western end is CR S21 (locally signed as "Highway 101") in

Solana Beach Solana Beach (''Solana'', Spanish for "warm wind") is a coastal city in San Diego County, California. Its population was at 12,941 at the 2020 U.S. Census, up from 12,867 at the 2010 Census. History The area was first settled by the San Dieg ...

and its eastern end is at Via De La Valle in

. ;Route description The route begins in Solana Beach at Old Highway 101. It winds eastward through

, crossing through

and unincorporated San Diego County, and ends at Via De La Valle (CR S6) in Rancho Santa Fe. The last portion of the county road passes through Rancho Santa Fe on Paseo Delicias. ;Major intersections

S9

County Route S9 (CR S9), mostly known as Encinitas Boulevard, is a road in

, United States. Its west end is at CR S21 (Coast Highway 101) in

Encinitas Encinitas (Spanish for "Small Oaks") is a beach city in the North County area of San Diego County, California. Located within Southern California, it is approximately north of San Diego, between Solana Beach and Carlsbad, and about south o ...

and its east end is at Paseo Delicias (CR S6) in

. Once outside Encinitas, the county route follows portions of Rancho Santa Fe Road, La Bajada, Los Morros, and La Granada, before terminating at Paseo Delicias. ;Major intersections

S10

County Route S10 (CR S10), known entirely as Rancho Santa Fe Road, is a road in

, United States, that runs through the

North County North County is a region in the northern area of San Diego County, California. It is the second-most populous region in the county (after San Diego), with an estimated population of 869,322. North County is well known for its affluence, especial ...

region of San Diego County. ;Route description CR S10 begins at Encinitas Boulevard in

, heading in a generally northward direction. It enters Carlsbad and turns eastward. This road travels into

San Marcos San Marcos is the Spanish name of Saint Mark. It may also refer to: Towns and cities Argentina * San Marcos, Salta Colombia * San Marcos, Antioquia * San Marcos, Sucre Costa Rica * San Marcos, Costa Rica (aka San Marcos de Tarrazú) ...

and passes near the unincorporated area of Lake San Marcos. (The entire run of the road past Carlsbad is located in parts of the incorporated city of San Marcos; often, at this point, the incorporated portions only follow the road, leaving unincorporated islands nearby). Rancho Santa Fe Road intersects with San Marcos Boulevard and continues northward. There is a junction with State Route 78. A short distance north, Rancho Santa Fe ends at County Route S14 (which changes names from Santa Fe Avenue to Mission Road at the intersection). ;Major intersections

S11

County Route S11 (CR S11), known entirely as El Camino Real, is a

county route A county highway (also county road or county route; usually abbreviated CH or CR) is a road in the United States and in the Canadian province of Ontario that is designated and/or maintained by the county highway department. Route numbering can ...

, United States. It runs through the

region in San Diego County, from Encinitas Boulevard ( County Route S9) in

to State Route 78 in Oceanside. As its street name implies, it is part of the 600-mile (965-kilometer) commemorative route connecting the 21

Spanish missions in California The Spanish missions in California ( es, Misiones españolas en California) comprise a series of 21 religious outposts or missions established between 1769 and 1833 in what is now the U.S. state of California. Founded by Catholic priests o ...

(formerly

Alta California Alta California ('Upper California'), also known as ('New California') among other names, was a province of New Spain, formally established in 1804. Along with the Baja California peninsula, it had previously comprised the province of , but ...

). ;Route description CR S11's southern terminus is Encinitas Boulevard ( CR S9) in

. It continues northward through Encinitas, intersecting with Lecuadia Boulevard/Olivenhain Road, which leads to CR S10 (Rancho Santa Fe Road) east of this intersection. After this point, it enters Carlsbad, where it intersects with Palomar Airport Road ( CR S12). It continues northward through Carlsbad, ending at State Route 78 in Oceanside. Note that El Camino Real continues for several miles beyond both termini. It extends southward through Encinitas until it reaches

San Elijo Lagoon San Elijo Lagoon Ecological Reserve is one of the largest remaining coastal wetlands in San Diego County, California, United States. History Native American tribes hunted and gathered along the shores of the estuary at least 8,500 years before ...

and ends at Manchester Avenue. An unconnected road further east also called El Camino Real starts at the San Elijo Lagoon and continues south for several miles until Carmel Mountain Road. Northward in Oceanside, El Camino Real passes under State Route 76 and ends just north at Douglas Drive. ;Major intersections

S12

County Route S12 (CR S12), also known as Palomar Airport Road, San Marcos Boulevard, Twin Oaks Valley Road, and Deer Springs Road, is a

, United States. It runs through the

region of San Diego County from Carlsbad Boulevard ( County Route S21) in Carlsbad to

near Hidden Meadows. ;Route description CR S12's western terminus is at Carlsbad Boulevard ( CR S21) in Carlsbad. Almost immediately after it begins, CR S12 (this portion of which is called Palomar Airport Road) intersects with

. It passes Legoland California and continues eastward, passing its namesake,

McClellan–Palomar Airport McClellan–Palomar Airport (Palomar Airport) is a public airport three miles (5 km) southeast of Carlsbad in San Diego County, California. It is owned by the County of San Diego. The airport is used for both general aviation and commercia ...

. It intersects with El Camino Real ( CR S11) before running through a number of industrial and business parks. Eventually, CR S12 enters

, where it becomes San Marcos Boulevard after an intersection with Business Park Drive. San Marcos Boulevard intersects Rancho Santa Fe Road ( CR S10) and continues eastward, crossing State Route 78. Shortly thereafter, San Marcos Boulevard intersects with Twin Oaks Valley Road, which assumes the S12 designation after this junction. Shortly after becoming CR S12, Twin Oaks Valley Road passes over Mission Road ( CR S14) without actually intersecting it, then continues to the northern city limits of San Marcos. At the edge of the city, Twin Oaks Valley Road narrows into a private road, and CR S12 bears right to become Deer Springs Road, which continues northward through unincorporated land. Eventually the road turns east, and CR S12 ends at an interchange with

, though the road itself continues as Mountain Meadow Road through Hidden Meadows. The route was established in 1961. ;Major intersections

S13

County Route S13 (CR S13), also known as Vista Village Drive, East Vista Way, and Mission Road, is a

, United States, that runs through the

region of San Diego County. It is distinctive for having a three-mile (5 km) discontinuity in Bonsall. ;Route description CR S13's southern terminus is at State Route 78 in

Vista Vista usually refers to a distant view. Vista may also refer to: Software *Windows Vista, the line of Microsoft Windows client operating systems released in 2006 and 2007 * VistA, (Veterans Health Information Systems and Technology Architecture) ...

, where the street is known as Vista Village Drive. This section of CR S13 is the northern boundary of the newly renovated downtown area of Vista, and in this area the road intersects with Santa Fe Avenue, which is CR S14. Shortly afterwards, the road's name changes to East Vista Way, and continues northward outside the city limits into the unincorporated community of Bonsall. CR S13 is unusual in that, according to official legislation, its route is discontinuous. In Bonsall, East Vista Way meets State Route 76 and, from this point, loses its status as CR S13. Nearly three miles northeast on SR 76, CR S13 begins again, continuing northward, but as South Mission Road. Mission Road cuts north through Bonsall and passes the neighborhoods of San Luis Rey Heights and Winterwarm before entering

Fallbrook Fallbrook is a CDP in northern San Diego County, California. Fallbrook had a population of 30,534 at the 2010 census, up from 29,100 at the 2000 census. Fallbrook's downtown is not on a major highway route. It is west of Interstate 15 or n ...

. In Fallbrook, South Mission Road splits off into South Main Avenue, which carries the S13 signage. These two streets run parallel to each other for several blocks; East Fallbrook Road ( SR S15) begins at Mission and intersects Main. After a short distance, Mission turns east, intersecting Main; Mission then continues as S13. CR S13 continues eastward, ending at an interchange with

. Almost all of S13, except for later realigned portions, is an old alignment 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 ...

, and Historic Route signs are posted in unincorporated areas. The route was established in 1968. ;Major intersections

S14

County Route S14 (CR S14), also known as Santa Fe Avenue, Mission Road, and Mission Avenue, is a

, United States, that runs through the

region of San Diego County. It runs from State Route 76 in Oceanside to Centre City Parkway in Escondido. ;Route description CR S14's western terminus is at State Route 76 in Oceanside, where it is known as North Santa Fe Avenue. It travels into

, becoming South Santa Fe Avenue before intersecting with County Route S13, or Vista Village Drive, in downtown Vista. At this point it begins to run parallel to State Route 78, which it does until its terminus. Santa Fe travels into western

, where it intersects with County Route S10 (Rancho Santa Fe Road); it is at this intersection that Santa Fe becomes Mission Road. Mission continues through San Marcos, passing under Twin Oaks Valley Road ( County Route S12) without an intersection. In eastern San Marcos, Mission Road crosses State Route 78 without an interchange and becomes Mission Avenue. Shortly afterward, it enters Escondido, where it crosses

, again with no interchange. Shortly after this point, the freeway portion of SR 78 ends and that route turns right onto Broadway, but CR S14's eastern terminus is at Centre City Parkway, a few blocks short from Broadway. CR S14 east of CR S13, except for later realigned portions, is an old alignment of

, and Historic Route signs are posted in unincorporated areas. The route was established in 1968. ;Major intersections

S15

County Route S15 (CR S15) is a

, United States. It runs from County Route S13 (Mission Road) in

to Old Highway 395. ;Route description CR S15's western terminus is at CR S13, also known as Mission Road, in

. It begins as East Fallbrook Street. At the intersection with South Stage Coach Lane, CR S15 continues south to the intersection with Reche Road, at which point CR S15 again heads east. CR S15 continues east as Reche Road until it reaches its eastern terminus at the intersection with Old Highway 395, adjacent to Interstate 15. The route was established in 1959. ;Major intersections

S16

County Route S16 (CR S16), also known as Pala-Temecula Road, Pala Road, and Pechanga Parkway, is a

and

counties in California, United States. It runs from its south end at State Route 76 on the

Pala Indian Reservation The Pala Indian Reservation is located in the middle of San Luis Rey River Valley in northern San Diego County, California, east of the community of Fallbrook, and has been assigned feature ID 272502. Historic variant names used to describe the ...

to its north end at State Route 79 (Temecula Parkway) in

Temecula 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 ...

. ;Route description The route's southern terminus is at SR 76 on the

, in the San Luis Rey River Valley, near the community of

Pala Pala may refer to: Places Chad *Pala, Chad, the capital of the region of Mayo-Kebbi Ouest Estonia * Pala, Kose Parish, village in Kose Parish, Harju County * Pala, Kuusalu Parish, village in Kuusalu Parish, Harju County *Pala, Järva County, vi ...

. It twists through a short but rugged and steep mountain range and continues northward as Pala-Temecula Road through rural

. When it crosses the

Riverside County Riverside County is a county located in the southern portion of the U.S. state of California. As of the 2020 census, the population was 2,418,185, making it the fourth-most populous county in California and the 10th-most populous in the Unit ...

line and enters the

Pechanga Indian Reservation The Pechanga Band of Indians is a federally recognized tribe of Luiseño Indians based in Riverside County, California, where their reservation is located. As of 2006, there were 1,370 members of the nation. The tribe owns the Pechanga Resort ...

, it becomes Pala Road. Shortly thereafter, County Route S16 widens to four lanes as it reaches the city limits of

, where it becomes Pechanga Parkway. Near the

Pechanga Resort & Casino The Pechanga Resort Casino is a Native American casino on the Pechanga Indian Reservation adjacent to the city of Temecula, California. Pechanga Resort Casino is one of the largest casino/resorts in the United States, with more than 5,400 slot m ...

, Pechanga Parkway becomes a six-lane arterial road and continues along several large suburban neighborhoods before ending at a T intersection with SR 79 (Temecula Parkway). The portion of County Route S16 known as Pechanga Parkway, as well as the portion of SR 79 known as Temecula Parkway, are unsigned because the City of Temecula maintains jurisdiction over both segments. The route was established in 1959. ;Major intersections

S17

County Route S17 (CR S17) is a

, United States. It runs from

Chula Vista Chula Vista (; ) is the second-largest city in the San Diego metropolitan area, the seventh largest city in Southern California, the fifteenth largest city in the state of California, and the 78th-largest city in the United States. The popul ...

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 ...

. The route consists of portions of several roads passing through the cities of Chula Vista and El Cajon, and the unincorporated communities of Bonita, Spring Valley, and Rancho San Diego. County Route S17 roughly parallels State Route 54 from

east to State Route 125, running along E Street, Bonita Road, Sweetwater Road, South Worthington Street, and Paradise Valley Road. The route then shares the same alignment as State Route 54, from State Route 125 northeast to the El Cajon city limit, running along Jamacha Boulevard, Campo Road, and Jamacha Road. Within El Cajon, CR S17 shares the same alignment as the former State Route 54, continuing north to

along Jamacha Road and 2nd Street. The portions of County Route S17 within the cities of Chula Vista and El Cajon are no longer signed. The portions of the route within Bonita and Spring Valley are signed. However, all signs in Rancho San Diego (along Campo and Jamacha Roads) appear to have been removed except for the one heading east coming from the terminus of the freeway portion of State Route 94. In El Cajon city limits, the route is signed with Business Route 54. The route was established in 1964. ;Major intersections

S18

County Route S18 (CR S18) is a

Orange County, California Orange County is located in the Los Angeles metropolitan area in Southern California. As of the 2020 census, the population was 3,186,989, making it the third-most-populous county in California, the sixth-most-populous in the United States, a ...

, United States. The route follows El Toro Road and Santiago Canyon Road which proceeds in a

boomerang A boomerang () is a thrown tool, typically constructed with aerofoil sections and designed to spin about an axis perpendicular to the direction of its flight. A returning boomerang is designed to return to the thrower, while a non-returning b ...

-like pattern from State Route 133 in

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 ...

to State Route 55 near

. CR S18 traverses as a loop around the urban areas of Orange County and cuts through the

Santa Ana Mountains The Santa Ana Mountains are a short peninsular mountain range along the coast of Southern California in the United States. They extend for approximately southeast of the Los Angeles Basin largely along the border between Orange and Riverside co ...

. The road is one of four county routes in Orange County that are signed in areas nearby the route, such as southbound

and southbound State Route 133. It is also noted to be the longest county route in Orange County and is the only major route that allows motorists to drive through, in, and out of the Santa Ana Mountains. El Toro Road

The Santiago Canyon Road portion of CR S18 in the Santa Ana Mountains is planned to become designated as an official scenic highway as part of the State Scenic Highway System. This makes it the second highway to become designated as a scenic road in

, despite the impact from the

Santiago Fire The Santiago Fire was a wildfire located near Santiago Canyon in Orange County, California, U.S., and one of thirty California wildfires of October 2007. The fire was intentionally started. The Fire The blaze originated near Santiago Canyon ...

as part of the wildfires in October 2007. Old El Toro Road Underpass

;Major intersections The entire route is 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 ...

S19

County Route S19 (CR S19) is a

in the U.S. state of California in

. The route follows

Live Oak Canyon Road There are 34 routes assigned to the "S" zone of the California Route Marker Program, which designates county routes in California. The "S" zone includes county highways in Imperial, Orange, Riverside, San Diego, and Santa Barbara counties. ...

from O'Neill Park to El Toro Road (S18) to

Trabuco Canyon Trabuco Canyon (''Trabuco'', Spanish for " Blunderbuss") is a small unincorporated community located in the foothills of the Santa Ana Mountains in eastern Orange County, California, and lies partly within the Cleveland National Forest. Trabuco ...

. County Route S19 is notorious for many fatal accidents that have occurred in the recent years since 2000, and many lost lives due to such accidents. The route was established in 1961. ;Major intersections

S20

County Route S20 (CR S20) was 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 ...

. As the only county route in

Santa Barbara County Santa Barbara County, California, officially the County of Santa Barbara, is located in Southern California. As of the 2020 census, the population was 448,229. The county seat is Santa Barbara, and the largest city is Santa Maria. Santa Barba ...

at the time, it was merged with State Route 1 in 1988, rerouting SR 1 from Harris Grade Road to the former county route leading into

Vandenberg Air Force Base Vandenberg may refer to: * Vandenberg (surname), including a list of people with the name * USS General Harry Taylor (AP-145), USNS ''General Hoyt S. Vandenberg'' (T-AGM-10), transport ship in the United States Navy, sank as an artificial reef in K ...

S21

County Route S21 (CR S21) is a south–north running road serving the coastal communities of northern

, United States, running from San Diego in the south to Oceanside in the north. The route is signed in many places as "Historic Route 101" with the official Historic U.S. 101 shields. CR S21 follows the prior alignment 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 ...

through this region. The route is also called "Coast Highway" in some places as well. This route was originally designated in 1968 and is long. US 101 (CA historic)

;Route description County Route S21 begins at

in the north of San Diego as Genesee Avenue. After proceeding west-northwest for 3/4 mile (1.2 km) it intersects Torrey Pines Road and continues north with that name, providing access to the

Torrey Pines State Natural Reserve Torrey Pines State Natural Reserve is of coastal state park located in the community of La Jolla, in San Diego, California, off North Torrey Pines Road. Although it is located within San Diego city limits, it remains one of the wildest stretches ...

. The road then travels north into

, where it is renamed "Camino Del Mar". While in Del Mar the route passes both the historic

Del Mar Racetrack The Del Mar Fairgrounds is a event venue in Del Mar, California. The annual San Diego County Fair is held here, which was called the Del Mar Fair from 1984 to 2001. In 1936, the Del Mar Racetrack was built by the Thoroughbred Club with foundin ...

and through the historic downtown of Del Mar. In

the route moves closer to the coast. Along this stretch, it is named "Highway 101" and the city has signed the route along its length with faux U.S. Highway shields that resemble the official

U.S. 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 ...

shields in use today along with the state issued Historic 101 shield. While to the north in

the route's name becomes "Coast Highway 101" also in homage to the old U.S. Route. In Carlsbad it becomes "Carlsbad Boulevard”. The route is named "Coast Highway" in Oceanside, and comes to an end at

just south of

Camp Pendleton Marine Corps Base Camp Pendleton is the major West Coast base of the United States Marine Corps and is one of the largest Marine Corps bases in the United States. It is on the Southern California coast in San Diego County and is bordered by Oc ...

. The section of this road between La Costa Avenue and Palomar Airport Road was once known as th
Oceanside-Carlsbad Freeway
The majority of the route from the Del Mar city limits to State Route 76 in Oceanside is signed as Historic U.S. 101, and is also an unsigned Business Route Interstate 5. ;Major intersections

S22

County Route S22 (CR S22) is a

and

counties in California, United States. It runs from San Felipe Road ( County Route S2) west of

Ranchita Ranchita (Spanish for "small ranch") is an unincorporated community in San Diego County, California. Ranchita is southwest of Borrego Springs. Ranchita has a ZIP code of 92066. A notable feature is the Rancheti, an 11-foot-tall (3.35 m), 300- ...

to State Route 86 in Salton City. The route is known as Montezuma Valley Road, Palm Canyon Drive, Christmas Circle, Peg Leg Road, and Borrego Salton Sea Way. ;Route description The route begins at a junction with County Route S2 (San Felipe Road) in San Diego County and runs eastward as Montezuma Valley Road through the rural community of

. It enters

and then descends for approximately to the desert community of

, offering magnificent views of the Borrego Valley as it winds steeply down Montezuma Grade. As it enters Borrego Springs, the highway turns right onto Palm Canyon Drive. In the middle of Borrego Springs, it passes through Christmas Circle, the only large traffic circle in San Diego County. It continues east, turns north onto Peg Leg Road, and turns east again onto Borrego Salton Sea Way. CR S22 enters Imperial County, runs through Anza-Borrego Desert State Park again and ends at a junction with State Route 86 in Salton City, a community on the shore of the

Salton Sea The Salton Sea is a shallow, landlocked, highly saline body of water in Riverside and Imperial counties at the southern end of the U.S. state of California. It lies on the San Andreas Fault within the Salton Trough that stretches to the Gulf o ...

. The route was established in 1968. ;Major intersections

S24

County Route S24 (CR S24) is a

in southeast

Imperial County, California Imperial County is a County (United States), county on the southeast border of the U.S. state of California. As of the 2020 United States Census, 2020 census, the population was 179,702, making it the least populous county in Southern Californi ...

, United States. It is north of, across the

Colorado River The Colorado River ( es, Río Colorado) is one of the principal rivers (along with the Rio Grande) in the Southwestern United States and northern Mexico. The river drains an expansive, arid drainage basin, watershed that encompasses parts of ...

and adjacent to

Yuma, Arizona Yuma ( coc, Yuum) is a city in and the county seat of Yuma County, Arizona, United States. The city's population was 93,064 at the 2010 census, up from the 2000 census population of 77,515. Yuma is the principal city of the Yuma, Arizona, M ...

, serving the community of Winterhaven. The southern two-thirds of the route travels through the Quechan Indian Tribal lands of the

Fort Yuma Indian Reservation The Fort Yuma Indian Reservation is a part of the traditional lands of the Quechan people. Established in 1884 from the former Fort Yuma, the reservation, at , has a land area of in southeastern Imperial County, California, and western Yuma Coun ...

. ;Route description LagunaDiversionDam01

The route begins from Winterhaven, adjacent to the eastern exit of

at Winterhaven. The route travels northeast through portions of eastern Winterhaven, then immediately turns north through farmland, for ; (the continuation north exiting this route accesses the southern

Chocolate Mountains The Chocolate Mountains of California are located in Imperial County, California, Imperial and Riverside County, California, Riverside counties in the Colorado Desert of Southern California. The mountains stretch more than 60 miles (100 km) ...

, the western perimeter of the

Little Picacho Wilderness The Little Picacho Wilderness is a wilderness area under the jurisdiction of the Bureau of Land Management. The wilderness is found in a southeast extension of the Chocolate Mountains adjacent to the Colorado River, in the southeastern part of ...

, and

Picacho State Recreation Area Picacho State Recreation Area is a camping, boating, and general recreation area located on a 9-mile stretch of the lower Colorado river at the site of Picacho, a defunct gold mining town. Picacho is a popular wintertime/springtime destination ...

, a dirt road, sometimes rugged, wash-boarded and difficult). The route turns east past Ross Corner, then north, east, then north on a newly paved stretch through farmland in the

Bard In Celtic cultures, a bard is a professional story teller, verse-maker, music composer, oral historian and genealogist, employed by a patron (such as a monarch or chieftain) to commemorate one or more of the patron's ancestors and to praise t ...

area for . The final turn east is through farmland for then a northeast stretch along the western shoreline of the

Laguna Dam The Laguna Diversion Dam is a rock-filled diversion dam on the Colorado River. It is located 13 miles northeast of Winterhaven, California, Winterhaven, CA–Yuma, Arizona, Yuma, AZ on County Route S24 (California), Imperial County route S24. Cons ...

and a terminus at the turn-off to

Imperial Dam The Imperial Diversion Dam (National ID # CA10159) is a concrete slab and buttress, ogee weir structure across the California/Arizona border, northeast of Yuma. Completed in 1938, the dam retains the waters of the Colorado River into the Impe ...

; the river stretch is about , and seasonally has

osprey The osprey (''Pandion haliaetus''), , also called sea hawk, river hawk, and fish hawk, is a diurnal, fish-eating bird of prey with a cosmopolitan range. It is a large raptor reaching more than in length and across the wings. It is brown o ...

phainopepla The phainopepla or northern phainopepla (''Phainopepla nitens'') is the most northerly representative of the mainly tropical Central American family Ptiliogonatidae, the silky flycatchers. Its name is from the Greek meaning "shining robe" in ref ...

, Abert's towhee, belted kingfisher,

double-crested cormorant The double-crested cormorant (''Nannopterum auritum'') is a member of the cormorant family of water birds. It is found near rivers and lakes, and in coastal areas, and is widely distributed across North America, from the Aleutian Islands in Alas ...

, and everpresent

Gambel's quail Gambel's quail (''Callipepla gambelii'') is a small ground-dwelling bird in the New World quail family. It inhabits the desert regions of Arizona, California, Colorado, New Mexico, Nevada, Utah, Texas, and Sonora; also New Mexico-border Chihuahu ...

, plus numerous other bird species, including the

water bird A water bird, alternatively waterbird or aquatic bird, is a bird that lives on or around water. In some definitions, the term ''water bird'' is especially applied to birds in freshwater ecosystems, although others make no distinction from seabi ...

s. Of note, the osprey have snag perches along the river route, and can be seen eating fish on pole tops, towers, etc. The terminus at the Laguna Dam turn-off transitions into the extension westwards in southwest Arizona from U.S. 95 in Arizona, westwards on Imperial Dam Road of

Yuma County, Arizona Yuma County is a county in the southwestern corner of the U.S. state of Arizona. As of the 2020 census, its population was 203,881. The county seat is Yuma. Yuma County includes the Yuma, Arizona Metropolitan Statistical Area. The county bor ...

and the

US Army The United States Army (USA) is the land service branch of the United States Armed Forces. It is one of the eight U.S. uniformed services, and is designated as the Army of the United States in the U.S. Constitution.Article II, section 2, cla ...

Yuma Proving Ground Yuma Proving Ground (YPG) is a United States Army series of environmentally specific test centers with its Yuma Test Center being one of the largest military installations in the world. It is subordinate to the U.S. Army Test and Evaluation ...

. No traffic lights occur on the route. Only one stop sign is encountered while traveling north to south; that one

4-way stop An all-way stop – also known as a four-way stop (or three-way stop etc. as appropriate) – is a traffic management system which requires vehicles on all the approaches to a road intersection to stop at the intersection before proceeding throu ...

is encountered at about 1.7 miles north of Winterhaven. south of the Imperial Dam entrance, the Ferguson Lake Road and the Senator Wash access exits to the northwest. The eastern access points to the

can be found along the northern sections of Ferguson Lake Road (a sometimes rugged, wash-boarded dirt road). The route was established in 1970. CR S24 serves as a second access route to the

, and also to the main housing and

administration Administration may refer to: Management of organizations * Management, the act of directing people towards accomplishing a goal ** Administrative assistant, Administrative Assistant, traditionally known as a Secretary, or also known as an admini ...

center of YPG. The route is also the main access to the housing facilities in the Imperial Dam region, administered by the

Bureau of Land Management The Bureau of Land Management (BLM) is an agency within the United States Department of the Interior responsible for administering federal lands. Headquartered in Washington DC, and with oversight over , it governs one eighth of the country's la ...

; the Imperial Dam housing region is on the Arizona side of the Colorado River. ;Major intersections

S25

County Route S25 (CR S25), commonly known as Chapman Avenue, is a 4.5 mile stretch of road in

Orange, California Orange is a city located in North Orange County, California. It is approximately north of the county seat, Santa Ana, California, Santa Ana. Orange is unusual in this region because many of the homes in its Old Town District were built before ...

, United States, that primarily travels east-west. The western terminus of the route is at an interchange with State Route 55, which leads to the remainder of Chapman Avenue, a street that bisects Old Towne Orange and travels all the way to the

Anaheim Resort 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 ...

district. The eastern terminus is in the more rural Orange Park Acres neighborhood near

Santiago Canyon College Santiago Canyon College is a public community college in Orange, California. Along with Santa Ana College, Santiago is one of two campuses in the Rancho Santiago Community College District (RSCCD). History In 1980, The Irvine Company sold 30 ac ...

and connects to County Route S18, known as Santiago Canyon Road. CR S25 was formerly a part of LRN 182, a route designated in 1933. ;Major intersections

S26

County Route S26 (CR S26) is a

, United States. It runs from State Route 78 / State Route 86 in

Westmorland Westmorland (, formerly also spelt ''Westmoreland'';R. Wilkinson The British Isles, Sheet The British IslesVision of Britain/ref> is a historic county in North West England spanning the southern Lake District and the northern Dales. It had an ...

to State Route 115 northeast of Brawley. Portions of the route are known as Borats Road, Kalin Road and Rutherford Road. ;Major intersections

S27

County Route S27 (CR S27) is a

, United States. It runs from Forrester Road ( CR S30) to Highline Road ( CR S33). Most of the route is known as Keystone Road, with a small portion of McConnell Road connecting the two segments of Keystone Road. ;Major intersections

S28

County Route S28 (CR S28) is a

, United States. It runs from Forrester Road ( CR S30) to Holt Road ( CR S32). Most of the route is known as Worthington Road, while the portion within the city of

is known as Barioni Boulevard. ;Major intersections

S29

County Route S29 (CR S29), known entirely as Drew Road, is a

, United States. It runs from State Route 98 west of

Mount Signal Mount Signal is a mountain west of Mexicali, Baja California, Mexico, on Mexican Federal Highway 2. The peak is also known as "Weeishpa" by the native community Kumiai or "Cerro del Centinela" or simply: El Centinela (the sentinel) by the Mexica ...

and north of the U.S.-Mexico border to Evan Hewes Highway ( CR S80) in Seeley. ;Major intersections

S30

County Route S30 (CR S30) is a

, United States. It runs from State Route 98 in

, north of the U.S.-Mexico border, to Sorenson Avenue ( State Route 111) in

Calipatria Calipatria (portmanteau of ''California'' and ''Patria'', Spanish for "homeland") is a city in Imperial County, California. Calipatria is located north of El Centro. It is part of the El Centro Metropolitan Area. The population was 6,515 a ...

. The route is known as Brockman Road, McCabe Road, Forrester Road, Center Street in

, Walker Road, Gentry Road, Eddins Road, and Main Street in Calipatria. ;Major intersections

S31

County Route S31 (CR S31) is a

, United States. It runs from State Route 98 near

Calexico Calexico () is a city in southern Imperial County, California. Situated on the Mexican border, it is linked economically with the much larger city of Mexicali, the capital of the Mexican state of Baja California. It is about east of San Diego ...

, north of the U.S.-Mexico border, to Main Street (former State Route 78) in Brawley. Most of the route is known as Dogwood Road (although it is sometimes signed as Dogwood Avenue in

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 ...

). In Brawley, it is known as Imperial Avenue and Plaza Street. ;Major intersections

S32

County Route S32 (CR S32) is a

, United States. It runs from

and

State Route 7 The following highways are numbered 7. For roads numbered A7, see list of A7 roads. Route 7, or Highway 7, may refer to: International * AH7, Asian Highway 7 * European route E07 * European route E007 Afghanistan *Kunduz-Khomri Highway (A7) ...

south of Holtville to State Route 78 east of Brawley. The route is known as Orchard Road, Holt Road, and small segments of Gonder Road and Butters Road. In Holtville, it is known as Cedar Avenue and Holt Avenue. ;Major intersections

S33

County Route S33 (CR S33) is a

, United States. It runs from State Route 98 east of Bonds Corner, north of the U.S.-Mexico border, to State Route 78 east of Brawley. The route is known as Bonesteele Road, Kumberg Road, Miller Road, Kavanaugh Road, Highline Road, Gonder Road, and Green Road. ;Major intersections

S34

County Route S34 (CR S34), known entirely as Ogilby Road, is a

, United States. It runs from

near Felicity and west of

to the State Route 78 portion between

Blythe The name Blythe ( or ) derives from Old English ''bliþe'' ("joyous, kind, cheerful, pleasant"; modern ''blithe''), and further back from Proto-Germanic ''*blithiz'' ("gentle, kind"). People * Blythe (given name), including a list of people named ...

and Brawley. Located in the

Yuma Desert The Yuma Desert is a lower-elevation section of the Sonoran Desert in the southwestern United States and the northwest of Mexico. It lies in the Salton basin. The desert contains areas of sparse vegetation and has notable areas of sand dunes. With ...

and close to the

Algodones Dunes The Algodones Dunes is a large sand dune field, or erg, located in the southeastern portion of the U.S. state of California, near the border with Arizona and the Mexican state of Baja California. The field is approximately long by wide and exte ...

, the road also goes through the

ghost town Ghost Town(s) or Ghosttown may refer to: * Ghost town, a town that has been abandoned Film and television * Ghost Town (1936 film), ''Ghost Town'' (1936 film), an American Western film by Harry L. Fraser * Ghost Town (1956 film), ''Ghost Town'' ...

of Ogilby. ;Major intersections

S78

County Route S78 (CR S78) was a

, United States. It is the former routing of the present-day State Route 78 portion between the south junction of State Route 115 and the small community of Palo Verde.

S80

County Route S80 (CR S80) is a

, United States. It was once a portion of U.S. Route 80, which no longer enters the state. CR S80 travels through Imperial County for to the vicinity of the

near

. Most of the route is known as Evan Hewes Highway, while the portion of the route within

is known as Adams Avenue, 4th Street, and Main Street. ;Route description S80ElCentro

CR S80 begins in the west at the junction of CR S2 (Imperial Highway) as the Evan Hewes Highway roughly paralleling the routing of

. This portion of the highway travels east through Plaster City,

Dixieland Dixieland jazz, also referred to as traditional jazz, hot jazz, or simply Dixieland, is a style of jazz based on the music that developed in New Orleans at the start of the 20th century. The 1917 recordings by the Original Dixieland Jass Band ( ...

and Seeley to

. In downtown El Centro, CR S80 becomes Adams Avenue. At Imperial Avenue, CR S80 junctions with State Route 86 from the north and Business Loop I-8 from the south. The roads run concurrent down Adams Avenue, and all three turn south along 4th Street. CR S80 then turns to the east along Main Street which takes it out of El Centro while SR 86 and Business I-8 continue south. Outside of El Centro after its junction with CR S31 (Dogwood Road), CR S80 resumes the designation of Evan Hewes Highway. CR S80 also intersects State Route 111 along this stretch. S80 continues east until it reaches its terminus at the junction with State Route 115. State Route 115 continues along the Evan Hewes Highway and old U.S. Route 80. ;History U.S. Route 80 was deleted from California legislatively in 1964, though it would be another ten years before all the

U.S. Highway 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 h ...

signage was removed from the route. CR S80 was defined in 1973 shortly before the last Route 80 signs had been taken down. In 2006, the California State Legislature, California legislature, as part of concurrent resolution ACR 123, made the former Route 80, including County Route S80, an official historic route.California State Legislature
"ACR 123 Assembly Concurrent Resolution."
Official California Legislative Information. Legislative Council of California. August 16, 2006. Retrieved March 23, 2008. For the short distance CR S80 runs concurrent with SR 86, it is part of the

. This trail runs along the route Juan Bautista de Anza took along his expedition into California from 1775–76. ;Major intersections

References

{{DEFAULTSORT:California County Routes In Zone S County routes in California, S*

S1

S2

S3

S4

S5

S6

S7

S8

S9

S10

S11

S12

S13

S14

S15

S16

S17

S18

S19

S20

S21

S22

S24

S25

S26

S27

S28

S29

S30

S31

S32

S33

S34

S78

S80

See also

References