Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound west of CA-242 N (Concord). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 7, 2026 at 2:06 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 7, 7:06 AM

Last Updated

3 weeks, 1 day ago

Jul 7, 7:30 AM

Resolved

Jul 7, 1:30 PM

Coordinates

38.0050, -122.0384

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound west of CA-242 N (Concord). Right lane blocked. Expect delays. Jul 7, 7:15 AM

Source: 511_sfbay · ID 511.org/1517625 First seen Jul 7, 2026 7:15 AM