Caltrans scheduled signal work and one-way traffic at Vallecito Bypass Road
Caltrans announced one-way traffic controls for signal work at Vallecito Bypass Road on State Route 4, with expected delays of 5 to 10 minutes during weekday construction.
State Route 4
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SR-4 Delta Pavement closures near Concord: July 17–20 detours and next steps
Concord, CA — Caltrans shut down SR-4 from 10 p.m. July 17 to 5 a.m. July 20 for Delta Pavement repairs; detours and local-access rules applied.