Where does BART go under the Bay? The Transbay tube leaves Oakland, runs south of Yerba buena island, crosses beneath the suspension section of the San Francisco-Oakland bay bridge, and comes up near the ferry building in San Francisco.
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Built using the immersed tube technique, the Transbay tube was constructed on land in 57 sections, transported to the site, and then submerged and fastened to the bottom – primarily by packing its sides with sand and gravel. Opened in 1974, the tunnel was the final segment of the original BART system to open.
In San Francisco (and some other cities), BART stations are underground, so you'll have to walk down the stairs or take the escalator down into the station. In other cities around the Bay Area, most of the stations are above ground.
Whereas BART is used to travel across the Bay Area, Muni is used to travel within San Francisco's city limits. The service includes bus lines, trolleybuses, light rail lines and cable cars. That's right, those iconic San Francisco cable cars are part of Muni!
Constructed in 57 sections, and reposing on the bay floor as deep as 135 feet beneath the surface, the remarkable $180 million structure took six years of toil and seismic studies to design, and less than three years to contract.
Safety is BART's top priority.To help keep passengers and our employees safe, BART has more than 4,000 working cameras throughout our system and we are working very hard to increase both sworn officers and ambassador presence.
Earthquake Safety ProgramThe Transbay Tube is BART's most critical asset. Although the tube is structurally sound, in a very large and very rare earthquake, the outer shell and concrete liner are predicted to crack.
Taking BART, he noted, is also faster than driving the highly trafficked highways into San Francisco. “Being on BART makes me feel relieved. It's way more stressful driving,” he said. “It's tough commuting this far, but public transit makes it more manageable.”
The San Francisco Bay Area Rapid Transit District (BART) is a heavy-rail public transit system that connects the San Francisco Peninsula with communities in the East Bay and South Bay.
-- The City of Berkeley did not want the trains running above the street due to noise and visual impacts (as anyone whos tried to sleep near an above-ground BART line can attest).
In celebration of BART's upcoming 50th anniversary on September 11, BART is offering a 50% discount for the entire month of September 2022. The reduced fare will be automatically deducted when using Clipper at the fare gates.
Perhaps ironically, the Blue Line takes several points of pride from its proximity to water, which gives it its name. Local historians claim the tunnel that runs under the harbor as the first underwater subway tunnel in the United States.
BART Ridership Quick FactsDuring peak commute hours, nearly 25,000 people ride through the Transbay Tube into Downtown San Francisco. BART's Pittsburg/Bay Point (yellow) line carries the largest number of people. The busiest stations in the BART system are Embarcadero and Montgomery.
All BART Stations have Clipper vending machines which accept cash, credit cards and debit cards as payment. You can add cash value to Clipper cards at all BART ticket machines. Clipper cards can be ordered online at www.clippercard.com. Many retail outlets throughout the region also sell Clipper cards.
Children 4 and under ride free but everyone else must have a Clipper card (a plastic card or in your digital wallet) or a BART paper ticket (no longer sold at stations except SFO) with funds loaded.