Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of CA-160 (Antioch). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 6, 2026 at 3:41 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jun 5, 8:41 PM

Last Updated

4 days, 4 hours ago

Jun 5, 9:45 PM

Resolved

Jun 6, 4:00 AM

Coordinates

37.9890, -121.7522

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of CA-160 (Antioch). Right lane blocked. Expect delays. Jun 5, 8:45 PM

Source: 511_sfbay · ID 511.org/1504400 First seen Jun 5, 2026 8:45 PM