Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on May 15, 2026 at 1:18 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 14, 6:18 PM

Last Updated

5 months, 1 week ago

May 14, 7:45 PM

Resolved

May 15, 2:00 AM

Coordinates

37.8964, -121.6991

Update History

3 observations

CHP : Traffic Collision on CA-4 Eastbound west of Walnut Blvd (Brentwood). Lane blocked. Expect delays. May 14, 7:45 PM

CHP : Traffic Collision on CA-4 Eastbound west of Walnut Blvd (Brentwood). Lane blocked. Expect delays. May 14, 7:15 PM

CHP : Traffic Collision on CA-4 Eastbound west of Walnut Blvd (Brentwood). Lane blocked. Expect delays. May 14, 6:30 PM

Source: 511_sfbay · ID 511.org/1494612 First seen May 14, 2026 6:30 PM