Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound west of Bailey Rd (Pittsburg). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on September 28, 2026 at 2:24 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 27, 7:24 PM

Last Updated

4 weeks, 1 day ago

Sep 27, 7:30 PM

Resolved

Sep 28, 1:45 AM

Coordinates

38.0233, -121.9666

Update History

2 observations

CHP : Disabled vehicle on CA-4 Westbound west of Bailey Rd (Pittsburg). Right shoulder affected. Expect delays. Sep 27, 7:30 PM

CHP : Disabled vehicle on CA-4 Westbound west of Bailey Rd (Pittsburg). Lane blocked. Expect delays. Sep 27, 7:00 PM

Source: 511_sfbay · ID 511.org/1555651 First seen Sep 27, 2026 7:00 PM