San Francisco, California/BART to San Francisco International Airport

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BART to San Francisco International Airport

San Francisco, California

(November 1998)


The Bay Area Rapid Transit (BART) and San Mateo County Transit District (SamTrans) are developing an 8.2-mile, 4-station BART extension south from the Colma BART Station through Colma, South San Francisco, San Bruno, an east-west aerial "wye" (Y) stub perpendicular to the CalTrain alignment into the San Francisco International Airport (SFIA), and terminating at the Millbrae Avenue BART/CalTrain Station. This project is estimated to cost $1.233 billion (escalated dollars), which includes $113 million provided for the project by the SFIA. Ridership is projected to be 68,600 trips per day by 2010, including approximately 17,800 daily trips by air travelers and airport employees.


An Alternatives Analysis/Draft Environmental Impact Statement (DEIS)/Draft Environmental Impact Report (DEIR) was completed in 1992, resulting in a locally preferred alternative. New alignments were later evaluated and, in April 1995, BART and SamTrans revised the preferred alternative. Due to MTC and Congressional direction to evaluate lower cost options, an aerial design option into the Airport was evaluated in a Focused Recirculated DEIR/Supplemental #2 DEIS. The Final EIS was completed in June 1996 and a Record of Decision (ROD) was issued in August 1996.

On June 30, 1997, FTA entered into a Full Funding Grant Agreement (FFGA) for the BART/SFO Extension for $750.00 million in Federal Section 5309 New Start funds. TEA-21 Section 3030(a)(79) authorized the BART to SFO project for final design and construction.

Through FY 1999, $153.43 million has been appropriated and allocated to the BART-SFO Extension.

The BART-SFO project is participating in the FTA Turnkey Demonstration Program, initiated by ISTEA to determine if the turnkey (design/build) approach will reduce implementation time and cost. The first BART-SFO contract for Site Preparation and Utility Relocation was awarded on July 24, 1997. The main contract for construction of the Line, Trackwork, and Systems was advertised for bid in August 1997. This is the first of the four design-build contracts. The bid opening for line and system work was made on November 25, 1997. The Revenue Operation Date contained in the FFGA for the BART-SFO extension is by September 30, 2001.

The San Francisco International Airport (SFIA) is a major partner in this extension project. The activities to be designed and constructed on the airport property consist mainly of construction of structures and facilities and the installation of related equipment. These activities are being funded, designed, and constructed by SFIA for BART.

Locally Proposed Financing Plan

(Reported in $YOE)

Proposed Source of Funds Total Funding
Appropriations to Date
Federal: Section 5309 New Start $750.00 $153.43 million appropriated through FY 1999
San Francisco International Airport $113.00


State: $152.00


Local: $218.00


Total: $1,233.00

Note: Totals may not add due to rounding.

[BART to San Francisco International Airport Map (PDF)]