Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Westbound entering at Railroad Ave (Pittsburg). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on October 9, 2026 at 1:42 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 9, 6:42 AM

Last Updated

2 weeks, 4 days ago

Oct 9, 8:15 AM

Resolved

Oct 9, 2:30 PM

Coordinates

38.0186, -121.8951

Update History

3 observations

CHP : Traffic Collision with Injuries on CA-4 Westbound entering at Railroad Ave (Pittsburg). Right lane blocked. Expect delays. Oct 9, 8:00 AM

CHP : Traffic Collision with Injuries on CA-4 Westbound entering at Railroad Ave (Pittsburg). Right lane blocked. Expect delays. Oct 9, 7:30 AM

CHP : Traffic Collision with Injuries on CA-4 Westbound entering at Railroad Ave (Pittsburg). Right lane blocked. Expect delays. Oct 9, 7:00 AM

Source: 511_sfbay · ID 511.org/1561377 First seen Oct 9, 2026 7:00 AM