Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound west of Laurel Rd (Antioch). 2nd lane from the left affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on August 22, 2026 at 9:43 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 22, 2:43 PM

Last Updated

2 months ago

Aug 22, 3:00 PM

Resolved

Aug 22, 9:15 PM

Coordinates

37.9761, -121.7419

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound west of Laurel Rd (Antioch). 2nd lane from the left affected. Expect delays. Aug 22, 3:00 PM

Source: 511_sfbay · ID 511.org/1539404 First seen Aug 22, 2026 3:00 PM