Accident
Moderate Severity
Stale
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Left lane blocked. Expect delays.
A injury accident was reported on CA-4 E near Contra Costa on June 17, 2026 at 10:47 PM.
Last Updated
1 hour, 1 minute ago
Jun 17, 4:30 PM
Coordinates
38.0109, -122.0140
Update History
2 observations
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Left lane blocked. Expect delays.
Jun 17, 4:30 PM
CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Left lane blocked. Expect delays.
Jun 17, 4:00 PM
Source: 511_sfbay · ID 511.org/1509572
First seen Jun 17, 2026 4:00 PM