Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Westbound east of Bailey Rd (Pittsburg). Right lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on September 29, 2026 at 1:37 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Sep 29, 6:37 AM

Last Updated

4 weeks ago

Sep 29, 6:45 AM

Resolved

Sep 29, 12:45 PM

Coordinates

38.0192, -121.9420

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound east of Bailey Rd (Pittsburg). Right lane blocked. Expect delays. Sep 29, 6:45 AM

Source: 511_sfbay · ID 511.org/1556274 First seen Sep 29, 2026 6:45 AM