Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Westbound west of Bailey Rd (Pittsburg). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 7, 2026 at 1:32 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 7, 6:32 AM

Last Updated

2 days, 19 hours ago

Jun 7, 6:45 AM

Resolved

Jun 7, 12:45 PM

Coordinates

38.0233, -121.9666

Update History

2 observations

CHP : Traffic Collision on CA-4 Westbound west of Bailey Rd (Pittsburg). Right shoulder affected. Expect delays. Jun 7, 6:45 AM

CHP : Traffic Collision on CA-4 Westbound west of Bailey Rd (Pittsburg). Right shoulder affected. Expect delays. Jun 7, 6:30 AM

Source: 511_sfbay · ID 511.org/1504880 First seen Jun 7, 2026 6:30 AM