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How deep is the BART tunnel under the Bay?

Last updated October 1, 2019 by ZagBot Comment

The Transbay Tube, the underwater rail tunnel carrying Bay Area Rapid Transit’s subway lines under San Francisco Bay between San Francisco and Oakland reaches a maximum depth of 135 feet (or 41 meters) below sea level

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Transbay Tube
San Francisco
California
94130
United States

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