Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 E near Contra Costa on May 12, 2026 at 1:14 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 11, 6:14 PM

Last Updated

5 months, 2 weeks ago

May 11, 6:15 PM

Resolved

May 12, 12:30 AM

Coordinates

38.0237, -121.9721

Update History

2 observations

CHP : Traffic Collision on CA-4 Eastbound east of Willow Pass Rd (Pittsburg). Lane affected. Expect delays. May 11, 6:15 PM

CHP : Traffic Collision on CA-4 Eastbound east of Willow Pass Rd (Pittsburg). Lane affected. Expect delays. May 11, 6:00 PM

Source: 511_sfbay · ID 511.org/1493124 First seen May 11, 2026 6:00 PM