Accident Moderate Severity Resolved

CHP : Disabled tractor trailer on CA-4 Westbound west of Bailey Rd (Pittsburg). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 14, 2026 at 11:29 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 14, 4:29 PM

Last Updated

2 weeks ago

Jul 14, 4:45 PM

Resolved

Jul 14, 11:00 PM

Coordinates

38.0233, -121.9666

Update History

2 observations

CHP : Disabled tractor trailer on CA-4 Westbound west of Bailey Rd (Pittsburg). Right lane blocked. Expect delays. Jul 14, 4:45 PM

CHP : Traffic Hazard on CA-4 Westbound west of Bailey Rd (Pittsburg). Lane blocked. Expect delays. Jul 14, 4:30 PM

Source: 511_sfbay · ID 511.org/1521015 First seen Jul 14, 2026 4:30 PM