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4d ago

BART Restores East Bay Service After Startup Failure as S.F. and Transbay Remain Down

A control-system component failed to power up after overnight network upgrades, triggering a shutdown with no full restoration time given.

Caution tape warns commuters that BART is down at 24th and Mission on September 5, 2025. Photo by Yujie Zhou.
A decrease in ridership has blown a hole in the budgets of BART and other Bay Area transit agencies.
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San Francisco Mayor Daniel Lurie, left, shown with state Sen. Scott Wiener, D-San Francisco, encouraged lawmakers to “follow through” on their commitment to public transit.

Overview

  • BART said a computer equipment problem tied to network upgrade work prevented the system from starting early Friday.
  • Service initially halted across all lines before East Bay trains resumed around 9:30 a.m., while San Francisco and the Transbay Tube remained offline.
  • Officials reported no estimated time for full restoration and directed riders to bart.gov/alternatives for travel options.
  • Regional providers added capacity or honored BART fares, with AC Transit and SF Bay Ferry offering alternatives and Muni reporting related delays in San Francisco.
  • The outage is the second systemwide shutdown since May, intensifying concerns about reliability during a lengthy modernization of BART’s aging control systems.