Accident
Stale
CHP : Residual delays on CA-4 Eastbound west of Port Chicago Hwy (Concord). All lanes open. Expect delays.
A accident was reported on CA-4 E near Contra Costa on October 30, 2026 at 10:50 PM.
Last Updated
1 hour, 21 minutes ago
Oct 30, 4:30 PM
Coordinates
38.0088, -122.0281
Update History
3 observations
CHP : Residual delays on CA-4 Eastbound west of Port Chicago Hwy (Concord). All lanes open. Expect delays.
Oct 30, 4:30 PM
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Port Chicago Hwy (Concord). Left lanes blocked. Expect delays.
Oct 30, 4:15 PM
CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Port Chicago Hwy (Concord). Left lanes blocked. Expect delays.
Oct 30, 4:00 PM
Source: 511_sfbay · ID 511.org/1570879
First seen Oct 30, 2026 4:00 PM