Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on September 17, 2026 at 2:49 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 16, 7:49 PM

Last Updated

1 month, 1 week ago

Sep 16, 8:00 PM

Resolved

Sep 17, 2:15 AM

Coordinates

38.0192, -121.9281

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Lane affected. Expect delays. Sep 16, 8:00 PM

Source: 511_sfbay · ID 511.org/1550548 First seen Sep 16, 2026 8:00 PM