Overview
- BART announced a complete systemwide suspension at 4:24 a.m. due to a critical train control network issue, with no estimate for service restoration.
- Technicians are working to troubleshoot the problem, but the cause of the failure remains undiagnosed as of Friday morning.
- AC Transit and Muni are honoring BART tickets under mutual aid agreements, while San Francisco Bay Ferry deployed larger vessels to accommodate displaced commuters.
- Traffic on the Bay Bridge is significantly worse than usual, exacerbated by increased vehicle use and a blocked lane caused by a disabled vehicle near Treasure Island.
- BART's aging infrastructure has faced repeated technical challenges in recent years, underscoring the region's heavy reliance on the transit system for daily mobility.