Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). 3rd lane from the left affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on September 13, 2026 at 2:47 PM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Sep 13, 7:47 AM

Last Updated

1 month, 2 weeks ago

Sep 13, 8:00 AM

Resolved

Sep 13, 2:00 PM

Coordinates

38.0174, -121.9904

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Willow Pass Rd (Concord). 3rd lane from the left affected. Expect delays. Sep 13, 8:00 AM

Source: 511_sfbay · ID 511.org/1548745 First seen Sep 13, 2026 8:00 AM