Bay Area Rapid Transit
Reporting mark: BART
BART - Berkeley Hills Tunnel (Alameda County, California)
Bore completed in 1967, Open for revenue in 1973 they run just north of the Caldecott tunnelsTunnel under Berkeley Hills on BART (Bay Area Rapid Transport)Open to traffic
BART - Transbay Tube (San Francisco County, California)
Built 1969; Opened 1974Tunnel under San Francisco Bay on BARTOpen to traffic
BART/MUNI - Market Street Subway (San Francisco County, California)
Originally built 1973 for Bay Area Rapid Transit, San Francisco Municipal Railway connection added in 1980Tunnel on Bay Area Rapid Transit & San Francisco Municipal RailwayOpen to traffic