Accident Moderate Severity Stale

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Walnut Blvd (Brentwood). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on August 20, 2026 at 2:10 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 20, 7:10 AM

Last Updated

3 hours, 27 minutes ago

Aug 20, 7:15 AM

Coordinates

37.8965, -121.6706

Update History

1 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Walnut Blvd (Brentwood). Lane affected. Expect delays. Aug 20, 7:15 AM

Source: 511_sfbay · ID 511.org/1538248 First seen Aug 20, 2026 7:15 AM