Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Port Chicago Hwy (Concord). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on April 10, 2026 at 4:09 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 10, 9:09 AM

Last Updated

6 months, 2 weeks ago

Apr 10, 9:45 AM

Resolved

Apr 10, 4:00 PM

Coordinates

38.0094, -122.0225

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Port Chicago Hwy (Concord). Right lane blocked. Expect delays. Apr 10, 9:15 AM

Source: 511_sfbay · ID 511.org/1479353 First seen Apr 10, 2026 9:15 AM