Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on July 12, 2026 at 8:28 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 12, 1:28 PM

Last Updated

2 weeks, 5 days ago

Jul 12, 2:00 PM

Resolved

Jul 12, 8:15 PM

Coordinates

37.9954, -121.7817

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jul 12, 1:30 PM

Source: 511_sfbay · ID 511.org/1520066 First seen Jul 12, 2026 1:30 PM