Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Sand Creek Rd (Brentwood). Left lanes blocked. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on July 11, 2026 at 9:19 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 11, 2:19 PM

Last Updated

2 weeks, 5 days ago

Jul 11, 3:15 PM

Resolved

Jul 11, 9:15 PM

Coordinates

37.9435, -121.7413

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Sand Creek Rd (Brentwood). Left lanes blocked. Expect delays. Jul 11, 2:30 PM

Source: 511_sfbay · ID 511.org/1519798 First seen Jul 11, 2026 2:30 PM