Transbay Tube
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The Transbay Tube is an underwater tunnel located in the U.S. state of California, in the San Francisco Bay, that was constructed for rapid transit trains carrying passengers between San Francisco and Oakland on BART.
The Transbay Tube is an underwater tunnel located in the U.S. state of California, in the San Francisco Bay, that was constructed for rapid transit trains carrying passengers between San Francisco and Oakland on BART.