Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound entering at Port Chicago Hwy (Concord). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 12, 2026 at 7:03 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 12, 12:03 PM

Last Updated

2 weeks ago

Oct 12, 12:30 PM

Resolved

Oct 12, 6:30 PM

Coordinates

38.0106, -122.0155

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound entering at Port Chicago Hwy (Concord). Lane affected. Expect delays. Oct 12, 12:30 PM

Source: 511_sfbay · ID 511.org/1562619 First seen Oct 12, 2026 12:30 PM