Accident Moderate Severity Stale

CHP : Traffic Collision on CA-4 Eastbound west of Port Chicago Hwy (Concord). 2nd lane from the left blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 28, 2026 at 12:22 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 27, 5:22 PM

Last Updated

1 hour, 53 minutes ago

Oct 27, 5:30 PM

Coordinates

38.0089, -122.0269

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Port Chicago Hwy (Concord). 2nd lane from the left blocked. Expect delays. Oct 27, 5:30 PM

Source: 511_sfbay · ID 511.org/1569426 First seen Oct 27, 2026 5:30 PM