Accident Moderate Severity Resolved

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

A injury accident was reported on CA-4 W near Contra Costa on October 17, 2026 at 5:21 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Oct 16, 10:21 PM

Last Updated

1 week, 3 days ago

Oct 16, 10:30 PM

Resolved

Oct 17, 4:30 AM

Coordinates

38.0191, -121.9466

Update History

1 observations

CHP : Traffic Collision on CA-4 Westbound at Bailey Rd (Pittsburg). Lane blocked. Expect delays. Oct 16, 10:30 PM

Source: 511_sfbay · ID 511.org/1564930 First seen Oct 16, 2026 10:30 PM