Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound entering at Railroad Ave (Pittsburg). Left lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 20, 2026 at 5:38 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 20, 10:38 AM

Last Updated

1 week, 4 days ago

Jul 20, 10:45 AM

Resolved

Jul 20, 5:00 PM

Coordinates

38.0186, -121.8951

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound entering at Railroad Ave (Pittsburg). Left lane blocked. Expect delays. Jul 20, 10:45 AM

Source: 511_sfbay · ID 511.org/1523560 First seen Jul 20, 2026 10:45 AM