Bay Area Rapid Transit (BART) is a rapid transit system serving the San Francisco Bay Area in California. BART serves 50 stations along six routes and 131 miles of track, including a 9-mile (14 km) spur line running to Antioch, which uses diesel multiple unit vehicles, and a 3-mile (4.8 km) automated guideway transit line serving Oakland International Airport. With an average of 164,500 weekday passengers as of the third quarter of 2023 and 41,286,400 annual passengers in 2022, BART is the seventh-busiest heavy rail rapid transit system in the United States.
The San Francisco–Oakland Bay Bridge, known locally as the Bay Bridge, is a complex of bridges spanning San Francisco Bay in California. As part of Interstate 80 and the direct road between San Francisco and Oakland, it carries about 260,000 vehicles a day on its two decks. It includes one of the longest bridge spans in the United States.
Six Companies, Inc. was a joint venture of construction companies that was formed to build the Hoover Dam on the Colorado River in Nevada and Arizona.
The Key System was a privately owned company that provided mass transit in the cities of Oakland, Berkeley, Alameda, Emeryville, Piedmont, San Leandro, Richmond, Albany, and El Cerrito in the eastern San Francisco Bay Area from 1903 until 1960, when it was sold to a newly formed public agency, AC Transit. The Key System consisted of local streetcar and bus lines in the East Bay, and commuter rail and bus lines connecting the East Bay to San Francisco by a ferry pier on San Francisco Bay, later via the lower deck of the Bay Bridge. At its height during the 1940s, the Key System had over 66 miles (106 km) of track. The local streetcars were discontinued in 1948 and the commuter trains to San Francisco were discontinued in 1958. The Key System's territory is today served by BART and AC Transit bus service.
The Transbay Tube is an underwater rail tunnel that carries Bay Area Rapid Transit's four transbay lines under San Francisco Bay between the cities of San Francisco and Oakland in California. The tube is 3.6 miles (5.8 km) long, and attaches to twin bored tunnels. The section of rail between the nearest stations totals 6 miles (10 km) in length. The tube has a maximum depth of 135 feet (41 m) below sea level.
Embarcadero station is a combined BART and Muni Metro rapid transit subway station in the Market Street subway in downtown San Francisco. Located under Market Street between Drumm Street and Beale Street near The Embarcadero, it serves the Financial District neighborhood and surrounding areas. The three-level station has a large fare mezzanine level, with separate platform levels for Muni Metro and BART below. Embarcadero station opened in May 1976 – almost two years after service began through the Transbay Tube – as an infill station.
Powell Street station is a combined BART and Muni Metro rapid transit station in the Market Street subway in downtown San Francisco. Located under Market Street between 4th Street and 5th Street, it serves the Financial District neighborhood and surrounding areas. The three-level station has a large fare mezzanine level, with separate platform levels for Muni Metro and BART below. The station is served by the BART Red, Yellow, Green Line, and Blue lines, and the Muni Metro J Church, K Ingleside, L Taraval, M Ocean View, N Judah, and S Shuttle lines.
The Market Street subway is a two-level subway tunnel that carries Muni Metro and BART trains under Market Street in San Francisco, California. It runs under the length of Market Street between Embarcadero station and Castro station. The upper level is used by Muni Metro lines and the lower level is used by BART lines. BART does not run through the whole subway; it turns south and runs under Mission Street southwest of Civic Center/UN Plaza station. The northeastern end of the BART level is connected to the Transbay Tube. On the Muni Metro level, the southwestern end of the Market Street subway connects to the much-older Twin Peaks Tunnel, and the northeastern end connects to surface tracks along the Embarcadero.
Richmond station is an Amtrak intercity rail and Bay Area Rapid Transit (BART) station located in downtown Richmond, California. Richmond is the north terminus of BART service on the Orange Line and Red Line; it is a stop for Amtrak's Capitol Corridor, San Joaquins, and California Zephyr routes. The accessible station has one island platform for the two BART tracks, with a second island platform serving two of the three tracks of the Union Pacific Railroad Martinez Subdivision for Amtrak trains. It is one of two transfer points between BART and Amtrak, along with Oakland Coliseum station.
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.
Tutor Perini Corporation is one of the largest general contractors in the United States. At the end of 2013, it reported annual revenue of approximately $4.2 billion. Tutor Perini is headquartered in Sylmar, California, and works on construction projects throughout North America. Specific areas of focus are civil infrastructures such as bridges, highways, tunnels, airports, and mass transit systems, building infrastructure, and specialty contracting.
The station complex of Amtrak's Oakland Coliseum station and Bay Area Rapid Transit (BART)'s Coliseum station is located in the East Oakland area of Oakland, California, United States. The two stations, located about 600 feet (180 m) apart, are connected to each other and to the Oakland Coliseum/Oakland Arena sports complex with an accessible pedestrian bridge. The BART station is served by the Orange, Green Line, and Blue lines; the Amtrak station is served by the Capitol Corridor service.
TYLin is a global, multi-disciplinary infrastructure services firm. Headquartered in San Francisco, TYLin established its business in the design of long-span bridges and specialty structures.
Morrison–Knudsen (MK) was an American civil engineering and construction company, with headquarters in Boise, Idaho.
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.
Throughout the history of Bay Area Rapid Transit, there have been plans to extend service to other areas.
Bay Area Rapid Transit, widely known by the acronym BART, is the main rail transportation system for the San Francisco Bay Area. It was envisioned as early as 1946 but the construction of the original system began in the 1960s.
The Silicon Valley BART extension is an ongoing effort to expand the Green and Orange Line service by Bay Area Rapid Transit (BART) into Santa Clara County via the East Bay from its former terminus at the Fremont station in Alameda County. Planned since at least 1981, the project has seven stations in three sequential phases.
Shea Properties, a member of the J.F. Shea Co., family of companies, is a diversified real estate company responsible for the acquisition, design, development, construction and management of business parks, shopping centers, apartment communities and mixed-use environments. The company owns and operates approximately 6,500 apartment units and 5 million square feet of office, industrial and retail space in California, Colorado and Washington.
