Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). 3rd lane from the left blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on July 21, 2026 at 4:58 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 21, 9:58 AM

Last Updated

1 week, 3 days ago

Jul 21, 10:15 AM

Resolved

Jul 21, 4:30 PM

Coordinates

38.0228, -121.9653

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Willow Pass Rd (Pittsburg). 3rd lane from the left blocked. Expect delays. Jul 21, 10:15 AM

Source: 511_sfbay · ID 511.org/1524060 First seen Jul 21, 2026 10:15 AM