Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Westbound east of Port Chicago Hwy (Concord). 3rd lane from the left affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 13, 2026 at 3:05 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 12, 8:05 PM

Last Updated

1 hour, 6 minutes ago

Jun 12, 8:15 PM

Coordinates

38.0107, -122.0175

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Port Chicago Hwy (Concord). 3rd lane from the left affected. Expect delays. Jun 12, 8:15 PM

Source: 511_sfbay · ID 511.org/1507664 First seen Jun 12, 2026 8:15 PM