Accident Moderate Severity Stale

CHP : Traffic Collision with Injuries on CA-4 Eastbound at Hillcrest Ave (Antioch). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 31, 2026 at 5:24 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 31, 10:24 AM

Last Updated

44 minutes ago

May 31, 10:30 AM

Coordinates

37.9968, -121.7897

Update History

2 observations

CHP : Traffic Collision with Injuries on CA-4 Eastbound at Hillcrest Ave (Antioch). Right shoulder affected. Expect delays. May 31, 10:30 AM

CHP : Traffic Collision with Injuries on CA-4 Eastbound at Hillcrest Ave (Antioch). Right shoulder affected. Expect delays. May 31, 10:15 AM

Source: 511_sfbay · ID 511.org/1501748 First seen May 31, 2026 10:15 AM