Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Eastbound west of Lone Tree Way (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on October 29, 2026 at 1:02 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Oct 28, 6:02 PM

Last Updated

3 hours, 14 minutes ago

Oct 28, 6:30 PM

Coordinates

37.9981, -121.8011

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Lone Tree Way (Antioch). Lane affected. Expect delays. Oct 28, 6:15 PM

Source: 511_sfbay · ID 511.org/1569963 First seen Oct 28, 2026 6:15 PM