Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on August 31, 2026 at 8:10 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Aug 31, 1:10 PM

Last Updated

1 month, 3 weeks ago

Aug 31, 1:15 PM

Resolved

Aug 31, 7:30 PM

Coordinates

37.9956, -121.7803

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). 3rd lane from the left blocked. Expect delays. Aug 31, 1:15 PM

Source: 511_sfbay · ID 511.org/1543250 First seen Aug 31, 2026 1:15 PM