Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound west of Laurel Rd (Antioch). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on April 28, 2026 at 2:31 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Apr 27, 7:31 PM

Last Updated

7 hours, 35 minutes ago

Apr 27, 7:45 PM

Resolved

Apr 28, 2:00 AM

Coordinates

37.9825, -121.7465

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound west of Laurel Rd (Antioch). Right lane blocked. Expect delays. Apr 27, 7:45 PM

Source: 511_sfbay · ID 511.org/1486877 First seen Apr 27, 2026 7:45 PM