Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Westbound east of Port Chicago Hwy (Concord). Right lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 2, 2026 at 12:31 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 1, 5:31 PM

Last Updated

1 hour, 20 minutes ago

Jun 1, 5:45 PM

Coordinates

38.0107, -122.0175

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Port Chicago Hwy (Concord). Right lane affected. Expect delays. Jun 1, 5:45 PM

Source: 511_sfbay · ID 511.org/1502325 First seen Jun 1, 2026 5:45 PM