Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on July 31, 2026 at 11:41 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 31, 4:41 PM

Last Updated

2 months, 3 weeks ago

Jul 31, 7:30 PM

Resolved

Aug 1, 1:45 AM

Coordinates

38.0180, -121.8941

Update History

3 observations

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right lane blocked. Expect delays. Jul 31, 6:45 PM

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right lane blocked. Expect delays. Jul 31, 5:45 PM

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right lane blocked. Expect delays. Jul 31, 5:15 PM

Source: 511_sfbay · ID 511.org/1529223 First seen Jul 31, 2026 5:15 PM