Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). 2nd lane from the left affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 6, 2026 at 6:19 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 6, 11:19 AM

Last Updated

3 days, 14 hours ago

Jun 6, 11:30 AM

Resolved

Jun 6, 5:45 PM

Coordinates

37.9956, -121.7804

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). 2nd lane from the left affected. Expect delays. Jun 6, 11:30 AM

Source: 511_sfbay · ID 511.org/1504605 First seen Jun 6, 2026 11:30 AM