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...

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...

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...

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...

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...

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...

major road in Poland California County Route S3, from State Route 78 to Borrego Springs over the Yaqui Pass; see California county routes in zone S Stagecoach...

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...

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...

Pass in California List of mountain passes in California California county routes in zone S Anza-Borrego Desert State Park Borrego Springs, California Yaqui...

highway and auxiliary Interstate Highway in the Los Angeles metropolitan area of the U.S. state of California. Also called the Los Angeles River Freeway...

S road may refer to : Staatsstraßen in Saxony Express roads in Poland in the USA : California county routes in zone S Corridor S, a road from Interstate...

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...

U.S. Route 101, or U.S. Highway 101 (US 101), is a north–south highway that traverses the states of California, Oregon, and Washington on the West Coast...

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...

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...

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...

in the Western United States, running through Southern California and the Intermountain West. I-15 begins near the Mexican border in San Diego County...

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...

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...

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...

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...

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...

of Baja California to the south. With 39 million residents across an area of 163,696 square miles (423,970 km2), it is the most populous U.S. state, the...

Zone, making it one of only a few U.S. counties officially split into two time zones. It is one of the nine counties that comprise the Trans-Pecos region...

Marin County (/məˈrɪn/ mə-RIN; Spanish: Condado de Marín) is a county located in the northwestern part of the San Francisco Bay Area of the U.S. state...

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...

Greater Sacramento area refers to a metropolitan region in Northern California comprising either the U.S. Census Bureau defined Sacramento–Roseville–Arden-Arcade...