Accident Moderate Severity Resolved

CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on May 2, 2026 at 1:50 PM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

May 2, 6:50 AM

Last Updated

5 months, 3 weeks ago

May 2, 7:30 AM

Resolved

May 2, 1:30 PM

Coordinates

37.9981, -121.8111

Update History

1 observations

CHP : Traffic Hazard on CA-4 Eastbound west of G St (Antioch). Lane affected. Expect delays. May 2, 7:15 AM

Source: 511_sfbay · ID 511.org/1489203 First seen May 2, 2026 7:15 AM