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 June 4, 2026 at 1:12 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 3, 6:12 PM

Last Updated

23 hours, 57 minutes ago

Jun 3, 6:15 PM

Resolved

Jun 4, 12:15 AM

Coordinates

38.0220, -121.9602

Update History

2 observations

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Lane affected. Expect delays. Jun 3, 6:15 PM

CHP : Traffic Hazard on CA-4 Westbound east of Bailey Rd (Pittsburg). Lane affected. Expect delays. Jun 3, 6:00 PM

Source: 511_sfbay · ID 511.org/1503327 First seen Jun 3, 2026 6:00 PM