Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound at Willow Pass Rd (Concord). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on August 14, 2026 at 5:53 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 13, 10:53 PM

Last Updated

2 months, 2 weeks ago

Aug 13, 11:30 PM

Resolved

Aug 14, 5:45 AM

Coordinates

38.0131, -122.0018

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound at Willow Pass Rd (Concord). Right shoulder affected. Expect delays. Aug 13, 11:15 PM

Source: 511_sfbay · ID 511.org/1535431 First seen Aug 13, 2026 11:15 PM