Accident Moderate Severity Stale

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 25, 2026 at 12:34 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 24, 5:34 PM

Last Updated

49 minutes ago

Aug 24, 5:45 PM

Coordinates

37.9956, -121.7804

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 24, 5:45 PM

Source: 511_sfbay · ID 511.org/1540212 First seen Aug 24, 2026 5:45 PM