Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Westbound at Hillcrest Ave (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on October 26, 2026 at 2:54 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 25, 7:54 PM

Last Updated

1 day, 17 hours ago

Oct 25, 8:00 PM

Resolved

Oct 26, 2:15 AM

Coordinates

37.9956, -121.7804

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound at Hillcrest Ave (Antioch). Lane affected. Expect delays. Oct 25, 8:00 PM

Source: 511_sfbay · ID 511.org/1568506 First seen Oct 25, 2026 8:00 PM