Accident
Moderate Severity
Stale
CHP : Traffic Hazard on CA-4 Westbound east of Arnold Industrial Way (Concord). Lane affected. Expect delays.
A injury accident was reported on CA-4 W near Contra Costa on August 30, 2026 at 7:34 PM.
Last Updated
1 hour, 18 minutes ago
Aug 30, 12:45 PM
Coordinates
38.0028, -122.0463