Weekend Closures

State Route 1 (19th Avenue) in San Francisco

May 20, 2026

Reminder: Third of Three Weekend Closures Scheduled for 19th Avenue (State Route 1) Rehabilitation Project in City of San Francisco

State Route 4 at Contra Costa/San Joaquin County Line

May 13, 2026

Full Highway Closure Of State Route 4 From Tracy Boulevard To San Joaquin/Contra Costa County Line