Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on July 5, 2026 at 9:44 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 5, 2:44 PM

Last Updated

3 weeks, 5 days ago

Jul 5, 2:45 PM

Resolved

Jul 5, 9:00 PM

Coordinates

37.9968, -121.7897

Update History

3 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jul 5, 2:45 PM

CHP : Traffic Hazard on CA-4 Eastbound west of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jul 5, 2:30 PM

CHP : Traffic Hazard on CA-4 Eastbound west of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jul 5, 2:15 PM

Source: 511_sfbay · ID 511.org/1517045 First seen Jul 5, 2026 2:15 PM