Accident Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of Contra Loma Blvd (Antioch). Right shoulder open. Expect delays.

A accident was reported on CA-4 E near Contra Costa on May 23, 2026 at 6:01 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 22, 11:01 PM

Last Updated

6 hours, 42 minutes ago

May 22, 11:15 PM

Resolved

May 23, 5:15 AM

Coordinates

38.0002, -121.8248

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Contra Loma Blvd (Antioch). Right shoulder open. Expect delays. May 22, 11:15 PM

Source: 511_sfbay · ID 511.org/1498506 First seen May 22, 2026 11:15 PM