Accident Moderate Severity Resolved

CHP : Traffic Collision on CA-4 Eastbound at G St (Antioch). Lane affected. Expect delays.

A injury accident was reported on CA-4 E near Contra Costa on July 27, 2026 at 7:48 AM.

Road

CA-4 E

Area

Contra Costa

Address

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Started

Jul 27, 12:48 AM

Last Updated

15 hours, 37 minutes ago

Jul 27, 1:00 AM

Resolved

Jul 27, 7:15 AM

Coordinates

37.9983, -121.8175

Update History

1 observations

CHP : Traffic Collision on CA-4 Eastbound at G St (Antioch). Lane affected. Expect delays. Jul 27, 1:00 AM

Source: 511_sfbay · ID 511.org/1526713 First seen Jul 27, 2026 1:00 AM