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BART San Francisco Airport Extension
San Francisco, California, U.S.
Bay Area Rapid Transit (BART) District
Completed 2003
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Linking the San Francisco Bay Area and the World
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With the June 22, 2003 opening of the BART Airport Extension to San Francisco International Airport, BART now provides residents of San Francisco, Oakland and other parts of the Bay Area with direct, inexpensive rail access to the airport. In addition, an intermodal BART station provides cross-platform transfer between BART and Caltrain, a regional railroad line that extends from San Francisco to Gilroy, 50 miles south of the airport.
PB has worked on various aspects of the BART system since the 1950s, beginning with conceptual studies for the original 75-mile, 34-station transit system. In 1972, the BART system opened to the public. PB, in joint venture, served as general engineering consultant (GEC) for the design and construction of the initial heavy rail system, prepared final designs for 4.8 kilometers (3 miles) of bored tunnels and 6.4 kilometers (4 miles) of cut-and-cover subways, and led a separate joint venture that prepared designs for the Trans-Bay Tube.
During the 1980s, BART developed a plan to expand the system. In 1989, as a member of the Bay Area Transit Consultants (BATC) joint venture, PB served as GEC for the design and construction of the first of three expansion phases. This primary phase consists of five extensions, four of which have been completed.
The $1.55 billion airport extension program extends BART more than 14 kilometers (8.7 miles), including 9.7 kilometers (6 miles) of cut-and-cover tunnels. It provides thousands of travelers with a direct mass transit link to the airport and shortens the travel time from downtown San Francisco to the airport to one half-hour for less than $5.
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