Accident High Severity Stale

CHP : Traffic Collision and Debris on CA-4 Eastbound at Sand Creek Rd (Brentwood). Right lane blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on August 4, 2026 at 11:10 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 4, 4:10 PM

Last Updated

3 hours, 55 minutes ago

Aug 4, 4:45 PM

Coordinates

37.9436, -121.7419

Update History

2 observations

CHP : Traffic Collision and Debris on CA-4 Eastbound at Sand Creek Rd (Brentwood). Right lane blocked. Expect delays. Aug 4, 4:30 PM

CHP : Traffic Collision and Debris on CA-4 Eastbound at Sand Creek Rd (Brentwood). Lanes blocked. Expect delays. Aug 4, 4:15 PM

Source: 511_sfbay · ID 511.org/1530880 First seen Aug 4, 2026 4:15 PM