Accident
Moderate Severity
Resolved
CHP : Traffic Hazard on CA-4 Westbound east of San Joaquin County Line (Byron). Lane affected. Expect delays.
A injury accident was reported on CA-4 W near Contra Costa on June 6, 2026 at 1:32 AM.
Last Updated
4 days, 9 hours ago
Jun 5, 6:45 PM
Coordinates
37.8914, -121.5702