Weekend Closures

State Route 1 (19th Avenue) in San Francisco

April 17, 2026

Three weekend closures scheduled for 19th Avenue (State Route 1) Rehabilitation Project in City of San Francisco in Spring 2026

State Route 4 at Contra Costa/San Joaquin County Line

April 27, 2026

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