Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound north of Pacheco Blvd (Pacheco). Right lanes blocked. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on July 12, 2026 at 4:58 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Jul 12, 9:58 AM

Last Updated

2 weeks, 3 days ago

Jul 12, 10:00 AM

Resolved

Jul 12, 4:15 PM

Coordinates

37.9935, -122.0733

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound north of Pacheco Blvd (Pacheco). Right lanes blocked. Expect delays. Jul 12, 10:00 AM

Source: 511_sfbay · ID 511.org/1520020 First seen Jul 12, 2026 10:00 AM