Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on July 3, 2026 at 11:02 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 3, 4:02 AM

Last Updated

3 months, 3 weeks ago

Jul 3, 4:15 AM

Resolved

Jul 3, 10:30 AM

Coordinates

38.0237, -121.9721

Update History

2 observations

CHP : Traffic Collision on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Right shoulder affected. Expect delays. Jul 3, 4:15 AM

CHP : Traffic Collision on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Right shoulder affected. Expect delays. Jul 3, 4:00 AM

Source: 511_sfbay · ID 511.org/1516366 First seen Jul 3, 2026 4:00 AM