Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on September 30, 2026 at 11:36 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 30, 4:36 PM

Last Updated

3 weeks, 5 days ago

Sep 30, 6:00 PM

Resolved

Oct 1, 12:15 AM

Coordinates

38.0062, -122.0362

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of CA-242 N (Concord). 3rd lane from the left blocked. Expect delays. Sep 30, 5:45 PM

Source: 511_sfbay · ID 511.org/1557124 First seen Sep 30, 2026 5:45 PM