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...

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...

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...

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...

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...

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...

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

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...

State Route 1 (SR 1) is a major north–south state highway that runs along most of the Pacific coastline of the U.S. state of California. At 656 miles...

highways, in a system where roads are graded A, B and sometimes lower categories roads in a particular area or zone designated A This is a list of road...

Yaqui Pass; see California county routes in zone S Stagecoach Gold bus route S3, a bus route in Oxfordshire, England AJS S3 V-twin, a British motorcycle...

Large portions are now California State Route 99 (SR 99), Oregon's Routes 99, 99W, and 99E, and Washington's SR 99. The highway in Washington connected...

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...

Thomas Bridge. There is a part of Route 710 in Pasadena that is constructed to freeway standards, extending from California Boulevard north to the Foothill...

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...

Campground Guide A paved road to the summit of Yaqui Pass in California List of mountain passes in California California county routes in zone S Anza-Borrego...

Contra Costa County (/ˌkɒntrə ˈkɒstə/ ; Contra Costa, Spanish for 'Opposite Coast') is a county located in the U.S. state of California, in the East Bay...

near the Mexican border in San Diego County and stretches north to Alberta, Canada, passing through the states of California, Nevada, Arizona, Utah, Idaho...

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...

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...

Yolo County (/ˈjoʊloʊ/ ; Wintun: Yo-loy), officially the County of Yolo, is a county located in the northern portion of the U.S. state of California. Yolo...

Reef State Marine Conservation Area Marin County is considered in the California Floristic Province, a zone of extremely high biodiversity and endemism...

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...

Eastern California is a region defined as either the strip to the east of the crest of the Sierra Nevada or as the easternmost counties of California.[citation...

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...

Clyde. It offers climbers at least a dozen routes, from multiple scrambling routes (class 3) to a serious technical route (Grade IV, 5.10). Mount Russell...

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...