Accident Moderate Severity Stale

CHP : Traffic Hazard on CA-4 Eastbound at Contra Loma Blvd (Antioch). Right and center lanes blocked. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on April 28, 2026 at 2:39 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 28, 7:39 AM

Last Updated

1 hour, 1 minute ago

Apr 28, 8:00 AM

Coordinates

38.0002, -121.8248

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound at Contra Loma Blvd (Antioch). Right and center lanes blocked. Expect delays. Apr 28, 7:45 AM

Source: 511_sfbay · ID 511.org/1487047 First seen Apr 28, 2026 7:45 AM