Accident Moderate Severity Resolved

CHP : Traffic Collision 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 July 27, 2026 at 12:37 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 27, 5:37 AM

Last Updated

8 hours, 50 minutes ago

Jul 27, 5:45 AM

Resolved

Jul 27, 12:00 PM

Coordinates

38.0191, -121.9356

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound east of Bailey Rd (Pittsburg). Lane affected. Expect delays. Jul 27, 5:45 AM

Source: 511_sfbay · ID 511.org/1526725 First seen Jul 27, 2026 5:45 AM