Accident Moderate Severity Stale

CHP : Traffic Collision on CA-4 Eastbound at Walnut Blvd (Brentwood). Left shoulder affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on April 25, 2026 at 4:43 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 25, 9:43 AM

Last Updated

1 hour, 8 minutes ago

Apr 25, 9:45 AM

Coordinates

37.8965, -121.6706

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at Walnut Blvd (Brentwood). Left shoulder affected. Expect delays. Apr 25, 9:45 AM

Source: 511_sfbay · ID 511.org/1486029 First seen Apr 25, 2026 9:45 AM