Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on October 1, 2026 at 2:52 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 30, 7:52 PM

Last Updated

3 weeks, 5 days ago

Sep 30, 8:15 PM

Resolved

Oct 1, 2:30 AM

Coordinates

38.0180, -121.8941

Update History

2 observations

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Left lanes blocked. Expect delays. Sep 30, 8:15 PM

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Left lane blocked. Expect delays. Sep 30, 8:00 PM

Source: 511_sfbay · ID 511.org/1557207 First seen Sep 30, 2026 8:00 PM