Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 W near Contra Costa on July 12, 2026 at 5:32 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 11, 10:32 PM

Last Updated

2 weeks, 4 days ago

Jul 12, 1:15 AM

Resolved

Jul 12, 7:30 AM

Coordinates

38.0220, -121.9602

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lane affected. Expect delays. Jul 11, 11:45 PM

Source: 511_sfbay · ID 511.org/1519923 First seen Jul 11, 2026 11:45 PM