Accident Resolved

CHP : Residual delays on CA-4 Eastbound east of Port Chicago Hwy (Concord). All lanes open. Expect delays.

A accident was reported on CA-4 E near Contra Costa on June 20, 2026 at 1:17 PM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

Jun 20, 6:17 AM

Last Updated

4 months, 1 week ago

Jun 20, 6:45 AM

Resolved

Jun 20, 12:45 PM

Coordinates

38.0106, -122.0155

Update History

5 observations

CHP : Residual delays on CA-4 Eastbound east of Port Chicago Hwy (Concord). All lanes open. Expect delays. Jun 20, 6:45 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Lanes open. Expect delays. Jun 20, 6:30 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Lanes open. Expect delays. Jun 20, 6:15 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Left lane open. Expect delays. Jun 20, 6:00 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound east of Port Chicago Hwy (Concord). Left lane affected. Expect delays. Jun 20, 5:45 AM

Source: 511_sfbay · ID 511.org/1510870 First seen Jun 20, 2026 5:45 AM