Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 W near Contra Costa on July 6, 2026 at 2:44 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 6, 7:44 AM

Last Updated

3 months, 3 weeks ago

Jul 6, 8:00 AM

Resolved

Jul 6, 2:15 PM

Coordinates

37.9966, -121.7869

Update History

2 observations

CHP : Traffic Hazard on CA-4 Westbound east of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jul 6, 8:00 AM

CHP : Disabled vehicle on CA-4 Westbound east of Hillcrest Ave (Antioch). Lane affected. Expect delays. Jul 6, 7:45 AM

Source: 511_sfbay · ID 511.org/1517232 First seen Jul 6, 2026 7:45 AM