Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Eastbound west of Pacheco Blvd (Pacheco). Right lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on August 6, 2026 at 6:20 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 6, 11:20 AM

Last Updated

2 hours, 22 minutes ago

Aug 6, 11:30 AM

Coordinates

37.9918, -122.0779

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Pacheco Blvd (Pacheco). Right lane affected. Expect delays. Aug 6, 11:30 AM

Source: 511_sfbay · ID 511.org/1531843 First seen Aug 6, 2026 11:30 AM