Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on May 9, 2026 at 11:55 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 9, 4:55 PM

Last Updated

5 months, 2 weeks ago

May 9, 5:00 PM

Resolved

May 9, 11:15 PM

Coordinates

38.0180, -121.8941

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound west of Railroad Ave (Pittsburg). Right shoulder affected. Expect delays. May 9, 5:00 PM

Source: 511_sfbay · ID 511.org/1492455 First seen May 9, 2026 5:00 PM