Overview
- BART shut down all 50 stations at 4:24 a.m. Friday due to a computer networking issue affecting train control systems.
- Limited service resumed systemwide at 9:17 a.m., but major delays continue, with no timeline for full restoration.
- AC Transit, Muni, and San Francisco Bay Ferry provided alternative transit options, honoring BART fares and increasing capacity where possible.
- The outage left tens of thousands of commuters scrambling for alternatives, causing severe congestion on Bay Area bridges.
- Technicians are investigating the root cause of the failure, which highlights ongoing reliability challenges for BART's aging infrastructure.