Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound east of Hillcrest Ave (Antioch). Lanes affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on September 8, 2026 at 7:16 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Sep 8, 12:16 PM

Last Updated

1 month, 2 weeks ago

Sep 8, 1:00 PM

Resolved

Sep 8, 7:15 PM

Coordinates

37.9954, -121.7817

Update History

2 observations

CHP : Traffic Hazard on CA-4 Eastbound east of Hillcrest Ave (Antioch). Lanes affected. Expect delays. Sep 8, 1:00 PM

CHP : Traffic Hazard on CA-4 Eastbound east of Hillcrest Ave (Antioch). 2nd lane from the left affected. Expect delays. Sep 8, 12:30 PM

Source: 511_sfbay · ID 511.org/1546398 First seen Sep 8, 2026 12:30 PM