Accident Moderate Severity Stale

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

A injury accident was reported on CA-4 E near Contra Costa on August 6, 2026 at 1:08 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 5, 6:08 PM

Last Updated

1 hour, 28 minutes ago

Aug 5, 6:15 PM

Coordinates

38.0126, -122.0023

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound at Port Chicago Hwy (Concord). Lane affected. Expect delays. Aug 5, 6:15 PM

Source: 511_sfbay · ID 511.org/1531481 First seen Aug 5, 2026 6:15 PM