Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound east of Sand Creek Rd (Brentwood). Right lane blocked. Expect delays.

A high-severity accident was reported on CA-4 E near Contra Costa on July 21, 2026 at 6:17 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 21, 11:17 AM

Last Updated

1 week, 3 days ago

Jul 21, 11:30 AM

Resolved

Jul 21, 5:30 PM

Coordinates

37.9440, -121.7421

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Sand Creek Rd (Brentwood). Right lane blocked. Expect delays. Jul 21, 11:30 AM

Source: 511_sfbay · ID 511.org/1524085 First seen Jul 21, 2026 11:30 AM