The Golden Gate Bridge is a suspension bridge spanning the Golden Gate, the one-mile-wide (1.6 km) strait connecting San Francisco Bay and the Pacific Ocean. The structure links the U.S. city of San Francisco, California—the northern tip of the San Francisco Peninsula—to Marin County, carrying both U.S. Route 101 and California State Route 1 across the strait. It also carries pedestrian and bicycle traffic, and is designated as part of U.S. Bicycle Route 95. Recognized by the American Society of Civil Engineers as one of the Wonders of the Modern World, the bridge is one of the most internationally recognized symbols of San Francisco and California.
Sonoma County 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 of government and largest city is Santa Rosa.
Northern California is a geographic and cultural region that generally comprises 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 San Francisco Bay Area, the Greater Sacramento area, the Redding, California, area south of the Cascade Range, and the Metropolitan Fresno area. Northern California also contains redwood forests, along with most of the Sierra Nevada, including Yosemite Valley and part of Lake Tahoe, Mount Shasta, and most of the Central Valley, one of the world's most productive agricultural regions. Northern California is also home to Silicon Valley, the global headquarters for some of the most powerful tech and Internet-related companies in the world, including Meta, Apple, and Google.
Golden Gate Transit (GGT) is a public transportation system serving the North Bay region of the San Francisco Bay Area in California, United States. It primarily serves Marin County, Sonoma County, and San Francisco, and also provides limited service to Contra Costa County. In 2023, Golden Gate Transit had a ridership of 1,366,600, or about 4,400 per weekday as of the first quarter of 2024.
The North Bay is a subregion of the San Francisco Bay Area, in California, United States. The largest city is Santa Rosa, which is the fifth-largest city in the Bay Area. It is the location of the Napa and Sonoma wine regions, and is the least populous and least urbanized part of the Bay Area. It consists of Marin, Napa, Solano and Sonoma counties.
The Metropolitan Transportation Commission (MTC) is the government agency responsible for regional transportation planning and financing in the San Francisco Bay Area. It was created in 1970 by the State of California, with support from the Bay Area Council, to coordinate transportation services in the Bay Area's nine counties: Alameda, Contra Costa, Marin, Napa, San Francisco, San Mateo, Santa Clara, Solano, and Sonoma. The MTC is fourth most populous metropolitan planning organization in the United States.
Sonoma–Marin Area Rail Transit (SMART) is a rail line and bicycle-pedestrian pathway project in Sonoma and Marin counties of the U.S. state of California. When completed, the entire system will serve a 70-mile (110 km) corridor between Cloverdale in northern Sonoma County and Larkspur Landing in Marin County. In 2023, the system had a ridership of 749,700, or about 2,600 per weekday as of the first quarter of 2024.
El Cerrito del Norte station is a Bay Area Rapid Transit (BART) station located on Cutting Boulevard in El Cerrito, California. The station is served by the Orange and Red lines. Located near San Pablo Avenue and Interstate 80, it serves as a regional transit hub for local AC Transit bus services, and for commuter feeder services from Solano, Napa, and Marin Counties in the North Bay plus western Contra Costa County. Opened in 1973, the station was renovated in 2017–2021 to add additional elevators, stairs, and lobby space.
People in the San Francisco Bay Area rely on a complex multimodal transportation infrastructure consisting of roads, bridges, highways, rail, tunnels, airports, seaports, and bike and pedestrian paths. The development, maintenance, and operation of these different modes of transportation are overseen by various agencies, including the California Department of Transportation (Caltrans), the Association of Bay Area Governments, San Francisco Municipal Transportation Agency, and the Metropolitan Transportation Commission. These and other organizations collectively manage several interstate highways and state routes, eight passenger rail networks, eight trans-bay bridges, transbay ferry service, local and transbay bus service, three international airports, and an extensive network of roads, tunnels, and bike paths.
U.S. Route 101 (US 101) is a major north–south United States Numbered Highway, stretching from Los Angeles, California, to Tumwater, Washington. The California portion of US 101 is one of the last remaining and longest U.S. Routes still active in the state, and the longest highway of any kind in California. US 101 was also one of the original national routes established in 1926. Significant portions of US 101 between the Los Angeles area and the San Francisco Bay Area follow El Camino Real, the commemorative route connecting the former Alta California's 21 missions.
The North Coast of California is a region in Northern California that lies on the Pacific coast between San Francisco Bay and the Oregon border. It commonly includes Mendocino, Humboldt, and Del Norte counties and sometimes includes Lake and two counties from the San Francisco Bay area, Marin and Sonoma.
San Francisco Bay in California has been served by ferries of all types for over 150 years. John Reed established a sailboat ferry service in 1826. Although the construction of the Golden Gate Bridge and the San Francisco–Oakland Bay Bridge led to the decline in the importance of most ferries, some are still in use today for both commuters and tourists.
The Bay Area Toll Authority (BATA) is a state agency created by the California State Legislature in 1997 to administer the auto tolls on the San Francisco Bay Area's seven state-owned toll bridges. On January 1, 1998, the Metropolitan Transportation Commission (MTC) — the transportation planning, financing and coordinating agency for the nine-county region — began operations as BATA. In August 2005, the California Legislature expanded BATA's responsibilities to include administration of all toll revenue and joint oversight of the toll bridge construction program with Caltrans and the California Transportation Commission.
Golden Gate Ferry is a commuter ferry service operated by the Golden Gate Bridge, Highway and Transportation District in San Francisco Bay, part of the Bay Area of Northern California, United States. Regular service is run to the Ferry Building in San Francisco from Larkspur, Sausalito, Tiburon, and Angel Island in Marin County, with additional service from Larkspur to Oracle Park and Chase Center. The ferry service is funded primarily by passenger fares and Golden Gate Bridge tolls. In 2023, Golden Gate Ferry had a ridership of 1,299,200, or about 3,500 per weekday as of the first quarter of 2024.
The San Rafael Transportation Center is an intermodal transportation center located in downtown San Rafael, California. It is a primary transfer point for several local and regional bus operators, and a commuter rail station on the Sonoma–Marin Area Rail Transit (SMART) system.
The Santa Rosa Transit Mall is a major transfer point for several bus routes serving the city of Santa Rosa, California, located in Sonoma County, north of San Francisco, in the United States. From the Transit Mall, passengers can travel throughout Santa Rosa and Sonoma County, plus destinations that connect the city with the rest of the San Francisco Bay Area and the Redwood Empire.
The government of California has an extensive system of local government that manages public functions throughout the state. Like most states, California is divided into counties, of which there are 58 covering the entire state. Most urbanized areas are incorporated as cities, though not all of California is within the boundaries of a city. School districts, which are independent of cities and counties, handle public education. Many other functions, especially in unincorporated areas, are handled by special districts, which include municipal utility districts, transit districts, health care districts, vector control districts, and geologic hazard abatement districts.
Windsor station is a bus station and future Sonoma–Marin Area Rail Transit (SMART) train station in Windsor, California. The station serves Sonoma County Transit and Mendocino Transit Authority, with service to Sonoma County Airport station provided by Sonoma County Transit under contract by SMART.
Larkspur station is a Sonoma–Marin Area Rail Transit (SMART) station in Larkspur, California. The terminal station opened to revenue service on December 14, 2019. It is located 1⁄3 mile (0.5 km) from the Larkspur Landing ferry terminal, across Sir Francis Drake Boulevard.
