Accident High Severity Stale

CHP : Traffic Hazard on CA-4 Westbound east of Balfour Rd (Antioch). 2nd lane from the left affected. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on April 22, 2026 at 10:29 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Apr 22, 3:29 PM

Last Updated

4 hours, 37 minutes ago

Apr 22, 4:45 PM

Coordinates

37.9204, -121.7322

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound east of Balfour Rd (Antioch). 2nd lane from the left affected. Expect delays. Apr 22, 3:45 PM

Source: 511_sfbay · ID 511.org/1484815 First seen Apr 22, 2026 3:45 PM