Accident Moderate Severity Resolved

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lane blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 9, 2026 at 12:37 AM.

Road

CA-4 W

Area

Contra Costa

Address

Loading…

Started

Jun 8, 5:37 PM

Last Updated

1 day, 7 hours ago

Jun 8, 6:00 PM

Resolved

Jun 9, 12:15 AM

Coordinates

38.0203, -121.9177

Update History

2 observations

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left lane blocked. Expect delays. Jun 8, 6:00 PM

CHP : Traffic Collision with Injuries on CA-4 Westbound east of Bailey Rd (Pittsburg). Left and center lanes blocked. Expect delays. Jun 8, 5:45 PM

Source: 511_sfbay · ID 511.org/1505494 First seen Jun 8, 2026 5:45 PM