Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound east of G St (Antioch). 2nd lane from the left affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on August 28, 2026 at 9:31 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Aug 28, 2:31 PM

Last Updated

1 day, 2 hours ago

Aug 28, 2:45 PM

Resolved

Aug 28, 8:45 PM

Coordinates

37.9981, -121.8111

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound east of G St (Antioch). 2nd lane from the left affected. Expect delays. Aug 28, 2:45 PM

Source: 511_sfbay · ID 511.org/1542189 First seen Aug 28, 2026 2:45 PM