SF Restores Lines 51A, O on Santa Clara Ave

Bus Lines 51A and O return to regular Santa Clara Ave stops after detours end March 17

2026-03-22, Moovit News Team

Lines 51A, O Resume Santa Clara Ave Service

Bus riders on Lines 51A and O can now use regular stops along Santa Clara Ave after detours ended March 17, transit officials said. Both routes had been operating on temporary paths that bypassed the street, though officials didn't specify how long the detours had been in place or what caused them. The service restoration affects riders who'd been using alternate stops during the detour period.
City transit bus on Santa Clara Ave with passengers boarding at regular stop

Detour Background

Transit agencies typically implement detours for street construction, utility work, special events, or emergency repairs, according to industry standards. Officials didn't provide details about what prompted the Santa Clara Ave detours or how many riders were affected by the temporary route changes. The agency hasn't said whether the work that necessitated the detours is fully complete or if additional service changes might be needed. Transit systems usually coordinate detours with local authorities to minimize disruption while maintaining access to key destinations.

Route Details

Lines 51A and O have returned to their standard paths along Santa Clara Ave, with all regular stops back in service. Officials didn't release information about how far the detours extended or which alternate streets buses used during the temporary routing. The agency hasn't said how many stops were affected or whether service frequency changed during the detour period. Specific ridership numbers for the two lines weren't available, though both routes serve residential and commercial areas along the corridor.

Service Restoration Timeline

The detours ended and regular service resumed March 17, officials confirmed. The agency didn't announce how much advance notice riders received about the restoration or whether the return to normal routing happened earlier than initially planned. Officials haven't said if any follow-up work might require future service adjustments on Santa Clara Ave.
Bus route map showing Santa Clara Ave corridor with regular service stops

Rider Information

Passengers who'd been walking to alternate stops during the detour can now return to their usual boarding locations along Santa Clara Ave. Officials said riders should expect normal travel times and stop locations for both lines. Moovit provides real-time bus locations and service updates for Lines 51A and O to help riders track arrivals at restored stops.