Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Center lanes blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on May 10, 2026 at 2:32 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 9, 7:32 PM

Last Updated

5 months, 2 weeks ago

May 9, 8:00 PM

Resolved

May 10, 2:15 AM

Coordinates

38.0191, -121.9372

Update History

2 observations

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Center lanes blocked. Expect delays. May 9, 7:45 PM

CHP : Disabled vehicle on CA-4 Westbound east of Bailey Rd (Pittsburg). Lanes affected. Expect delays. May 9, 7:30 PM

Source: 511_sfbay · ID 511.org/1492511 First seen May 9, 2026 7:30 PM