Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Lanes affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 29, 2026 at 1:20 AM.

Road

CA-4 E

Area

Contra Costa

Address

Loading…

Started

May 28, 6:20 PM

Last Updated

17 hours, 43 minutes ago

May 28, 6:30 PM

Resolved

May 29, 12:30 AM

Coordinates

37.9981, -121.8111

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Lanes affected. Expect delays. May 28, 6:30 PM

Source: 511_sfbay · ID 511.org/1500727 First seen May 28, 2026 6:30 PM