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...

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...

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...

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...

stub as both Route 7 and Route 710. Section 622 of the California Streets and Highways Code defines Route 710 as "from Route 1 to Route 210 in Pasadena"...

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...

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...

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...

Francisco, officially the City and County of San Francisco, is a commercial, financial, and cultural center in Northern California. With a population of 808,437...

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...

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...

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...

is a city in Siskiyou County, California, United States. As of the 2020 Census, the city had a total population of 2,862, down from 2,967 in 2010. There...

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...

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...

5 occurred north and northeast of the town of Ridgecrest, California located in Kern County and west of Searles Valley (approximately 200 km [122 mi]...

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...

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

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...

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...

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

three-digit route numbers are generally subsidiaries of two-digit primary routes. Of these two-digit routes, the principal north–south routes were assigned...

the northern portion of the U.S. state of California, spanning the northernmost 48 of the state's 58 counties. Its main population centers include the...

inconsistencies caused by the aforementioned sparse delivery routes, often known as Rural Routes or by some other similar designation. Like area codes, ZIP...

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...

Eagle Mountain is a ghost town in the California desert in Riverside County founded in 1948 by industrialist Henry J. Kaiser. The town is located at the...