Accident Moderate Severity Resolved

CHP : Residual delays 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 May 13, 2026 at 2:52 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 13, 7:52 AM

Last Updated

5 months, 2 weeks ago

May 13, 8:00 AM

Resolved

May 13, 2:00 PM

Coordinates

38.0131, -122.0018

Update History

1 observations

CHP : Residual delays on CA-4 Westbound at Willow Pass Rd (Concord). Right shoulder affected. Expect delays. May 13, 8:00 AM

Source: 511_sfbay · ID 511.org/1493811 First seen May 13, 2026 8:00 AM