Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on July 12, 2026 at 5:08 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 12, 10:08 AM

Last Updated

2 weeks, 5 days ago

Jul 12, 10:15 AM

Resolved

Jul 12, 4:30 PM

Coordinates

38.0126, -122.0023

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Port Chicago Hwy (Concord). 2nd lane from the left affected. Expect delays. Jul 12, 10:15 AM

Source: 511_sfbay · ID 511.org/1520025 First seen Jul 12, 2026 10:15 AM