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...

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...

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...

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...

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...

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...

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...

Hinkley is an unincorporated community in the Mojave Desert, in San Bernardino County, California, United States, 14 miles (23 km) northwest of Barstow...

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...