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...

21 routes assigned to the "G" zone of the California Route Marker Program, which designates county routes in California. The "G" zone includes county highways...

45 routes assigned to the "J" zone of the California Route Marker Program, which designates county routes in California. The "J" zone includes county highways...

28 routes assigned to the "A" zone of the California Route Marker Program, which designates county routes in California. The "A" zone includes county highways...

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...

9 routes assigned to the "N" zone of the California Route Marker Program, which designates county routes in California. The "N" zone includes county highways...

routes are instead signed as parts of other routes – for instance, Route 112 and Route 260 are signed as part of the longer State Route 61, and Route...

21 routes assigned to the "E" zone of the California Route Marker Program, which designates county routes in California. The "E" zone includes county highways...

highways in the U.S. state of California that have existed since the 1964 renumbering. It includes routes that were defined by the California State Legislature...

California. At 656 miles (1,056 km), it is the longest state route in California, and the second-longest in the US after Montana Highway 200. SR 1 has several portions...

In the California Route Marker Program, which designates county routes in California, only two highways exist in the "R" zone, which encompasses Riverside...

County Route 66 (CR 66) is an east–west numbered road in San Bernardino County, California, United States. It runs for 175.7 miles (282.8 km) from Oro...

Riverside counties, SR 91 is one of the most heavily congested routes in Southern California. Between the Santa Ana Freeway, Interstate 5 (I-5), in Buena...

U.S. Route 395 (US 395) is a United States Numbered Highway, stretching from Hesperia, California to the Canadian border in Laurier, Washington. The California...

State Route 99 (SR 99) is a major north–south state highway in the U.S. state of California, stretching almost the entire length of the Central Valley...

and Interstate Highway in the U.S. state of California, connecting San Bernardino, Riverside, and San Diego Counties. The route consists of the southernmost...

after I-10 in Texas. It is the more important and most-used of the two major north–south routes on the Pacific Coast, the other being U.S. Route 101 (US 101)...

Alameda County (/ˌæləˈmiːdə/ AL-ə-MEE-də) is a county located in the U.S. state of California. As of the 2020 census, the population was 1,682,353, making...

State Route 60 (SR 60) is an east–west state highway in the U.S. state of California. It serves the cities and communities on the eastern side of the Los...

State Route 120 (SR 120) is a state highway in the central part of California, connecting the San Joaquin Valley with the Sierra Nevada, Yosemite National...

98°W / 33.73; -115.98 Riverside County is a county located in the southern portion of the U.S. state of California. As of the 2020 census, the population...

Southern California, United States. As of the 2020 census, the population was 3,186,989, making it the third-most-populous county in California, the sixth-most-populous...

San Mateo County (/ˌsæn məˈteɪ.oʊ/ SAN mə-TAY-oh), officially the County of San Mateo, is a county located in the U.S. state of California. As of the 2020...

numbers along with some numbers in the 100s. New Jersey's county routes are usually signed just as well as state routes (with mile- and half-mileposts)...

California portion of US 101 is one of the last remaining and longest U.S. Routes still active in the state, and the longest highway of any kind in California...

Route 210 near Route 10 and Pomona, passing near Industry... Route 250 is from Route 5 near Orange County Hospital northerly to Route 91. California State...

State Route 16 (SR 16) is a state highway in the northern region of the U.S. state of California that runs from Route 20 in Colusa County to Route 49 just...

serving San Diego County, California. It is part of the San Diego Metropolitan Transit System (MTS). The system operates 97 bus routes in San Diego and the...

State Route 61 (SR 61) is a state highway in the U.S. state of California, running along the eastern edge of Oakland International Airport and through...

State Route 86 (SR 86) is a north–south state highway in the U.S. State of California that connects the Imperial and Coachella valleys in the southeastern...