Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Westbound entering at Bailey Rd (Pittsburg). Lane affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on June 21, 2026 at 3:56 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jun 21, 8:56 AM

Last Updated

4 months ago

Jun 21, 9:00 AM

Resolved

Jun 21, 3:00 PM

Coordinates

38.0191, -121.9466

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound entering at Bailey Rd (Pittsburg). Lane affected. Expect delays. Jun 21, 9:00 AM

Source: 511_sfbay · ID 511.org/1511197 First seen Jun 21, 2026 9:00 AM