Accident Moderate Severity Stale

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

A injury accident was reported on CA-4 W near Contra Costa on November 3, 2026 at 3:57 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Nov 2, 7:57 PM

Last Updated

3 hours, 57 minutes ago

Nov 2, 8:00 PM

Coordinates

37.9956, -121.7804

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound west of Hillcrest Ave (Antioch). Lane affected. Expect delays. Nov 2, 8:00 PM

Source: 511_sfbay · ID 511.org/1572098 First seen Nov 2, 2026 8:00 PM