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 27, 2026 at 5:18 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 27, 10:18 AM

Last Updated

5 hours, 49 minutes ago

Aug 27, 10:30 AM

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 27, 10:30 AM

Source: 511_sfbay · ID 511.org/1541557 First seen Aug 27, 2026 10:30 AM