Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of Hillcrest Ave (Antioch). Left shoulder affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on April 19, 2026 at 9:20 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Apr 19, 2:20 AM

Last Updated

6 months, 1 week ago

Apr 19, 2:30 AM

Resolved

Apr 19, 8:30 AM

Coordinates

37.9968, -121.7897

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of Hillcrest Ave (Antioch). Left shoulder affected. Expect delays. Apr 19, 2:30 AM

Source: 511_sfbay · ID 511.org/1483272 First seen Apr 19, 2026 2:30 AM