Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Right lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on October 24, 2026 at 2:59 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Oct 24, 7:59 AM

Last Updated

3 days, 4 hours ago

Oct 24, 8:30 AM

Resolved

Oct 24, 2:45 PM

Coordinates

38.0174, -121.9904

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). Right lane affected. Expect delays. Oct 24, 8:15 AM

Source: 511_sfbay · ID 511.org/1568016 First seen Oct 24, 2026 8:15 AM