Accident Moderate Severity Stale

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

A injury accident was reported on CA-4 W near Contra Costa on August 25, 2026 at 4:19 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Aug 25, 9:19 AM

Last Updated

56 minutes ago

Aug 25, 9:45 AM

Coordinates

38.0220, -121.9602

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound west of Bailey Rd (Pittsburg). Right lanes affected. Expect delays. Aug 25, 9:30 AM

Source: 511_sfbay · ID 511.org/1540484 First seen Aug 25, 2026 9:30 AM