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...

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...

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...

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

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...

both Route 7 and Route 710. The California Streets and Highways Code defines Route 710 as follows: 622. Route 710 is from Route 1 to Route 210 in Pasadena...

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...

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...

Humboldt County (/ˈhʌmboʊlt/ ) is a county located in the U.S. state of California. As of the 2020 census, the population was 136,463. The county seat is...

Route assignment, route choice, or traffic assignment concerns the selection of routes (alternatively called paths) between origins and destinations in...

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

primarily in the Central Time Zone, but northwestern Culberson County, including Guadalupe Mountains National Park, is in the Mountain Time Zone, making...

Napa County (/ˈnæpə/ ) is a county north of San Pablo Bay located in the northern portion of the U.S. state of California. As of the 2020 census, the population...

Kern County is a county located in the U.S. state of California. As of the 2020 census, the population was 909,235. Its county seat is Bakersfield. Kern...

County is a county located in the north central portion of the U.S. state of California. As of the 2020 census, the population was 68,163. The county...

Amador County (/ˈæmədɔːr/ ) is a county located in the U.S. state of California, in the Sierra Nevada. As of the 2020 census, the population was 40,474...

County (/ˌmærɪˈpoʊzə, -sə/ ) is a county located in the U.S. state of California. As of the 2020 U.S. Census, the population was 17,131. The county seat...

Santa Clara County, officially the County of Santa Clara, is the sixth-most populous county in the U.S. state of California, with a population of 1,936...

California is a state in the Western United States, lying on the American Pacific Coast. It borders Oregon to the north, Nevada and Arizona to the east...

Solano County (/səˈlɑːnoʊ/ ) is a county located in the U.S. state of California. As of the 2020 census, its population was 453,491. The county seat is...

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)...

Sonoma County (/səˈnoʊmə/ ) is a county located in the U.S. state of California. As of the 2020 United States Census, its population was 488,863. Its seat...

Ventura County (/vɛnˈtʊərə/ ) is a county located in the southern part of the U.S. state of California. As of the 2020 census, the population was 843,843...

Fontana is a city in San Bernardino County, California, United States. Founded by Azariel Blanchard Miller in 1913, it remained essentially rural until...

Trona is an unincorporated community in San Bernardino County, California. In 2015 it had a population of approximately 1,900. Trona is at the western...

officially the City and County of San Francisco, is a commercial, financial, and cultural center within Northern California. With a population of 808...

Shasta County (/ˈʃæstə/ ), officially the County of Shasta, is a county located in the northern portion of the U.S. state of California. Its population...

Merced County (/mərˈsɛd/ mər-SED) is a county located in the northern San Joaquin Valley section of the Central Valley, in the U.S. state of California. As...

Aptos (Ohlone for "The People") is an unincorporated town in Santa Cruz County, California, United States. The town is made up of several small villages...

Stockton in San Joaquin County, California, United States. The 2020 census reported that Lathrop's population was 28,701. The city is located in Northern...