Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 4, 2026 at 2:04 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 3, 7:04 PM

Last Updated

3 months, 3 weeks ago

Jul 3, 7:15 PM

Resolved

Jul 4, 1:15 AM

Coordinates

38.0039, -122.0421

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). Right shoulder affected. Expect delays. Jul 3, 7:15 PM

Source: 511_sfbay · ID 511.org/1516602 First seen Jul 3, 2026 7:15 PM