Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 W near Contra Costa on July 4, 2026 at 3:20 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jul 4, 8:20 AM

Last Updated

3 months, 3 weeks ago

Jul 4, 8:30 AM

Resolved

Jul 4, 2:45 PM

Coordinates

37.9984, -121.8117

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of G St (Antioch). Lane affected. Expect delays. Jul 4, 8:30 AM

Source: 511_sfbay · ID 511.org/1516706 First seen Jul 4, 2026 8:30 AM