Accident Moderate Severity Resolved

CHP : Disabled vehicle on CA-4 Westbound east of A St (Antioch). Right shoulder affected. Expect delays.

A injury accident was reported on CA-4 W near Contra Costa on May 24, 2026 at 12:14 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 23, 5:14 PM

Last Updated

11 hours, 54 minutes ago

May 23, 5:15 PM

Resolved

May 23, 11:15 PM

Coordinates

37.9984, -121.8016

Update History

1 observations

CHP : Disabled vehicle on CA-4 Westbound east of A St (Antioch). Right shoulder affected. Expect delays. May 23, 5:15 PM

Source: 511_sfbay · ID 511.org/1498749 First seen May 23, 2026 5:15 PM