Accident Moderate Severity Stale

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

A injury accident was reported on CA-4 E near Contra Costa on July 29, 2026 at 3:29 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 28, 8:29 PM

Last Updated

5 hours, 54 minutes ago

Jul 28, 8:30 PM

Coordinates

38.0126, -122.0023

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at Port Chicago Hwy (Concord). Right shoulder affected. Expect delays. Jul 28, 8:30 PM

Source: 511_sfbay · ID 511.org/1527648 First seen Jul 28, 2026 8:30 PM