Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Left lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on June 18, 2026 at 4:11 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jun 17, 9:11 PM

Last Updated

4 months, 1 week ago

Jun 17, 9:15 PM

Resolved

Jun 18, 3:15 AM

Coordinates

38.0237, -121.9721

Update History

2 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Left lane affected. Expect delays. Jun 17, 9:15 PM

CHP : Traffic Collision with Injuries on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). Left lane affected. Expect delays. Jun 17, 9:00 PM

Source: 511_sfbay · ID 511.org/1509710 First seen Jun 17, 2026 9:00 PM