Accident High Severity Resolved

CHP : Traffic Hazard on CA-4 Westbound west 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 24, 2026 at 1:17 AM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

Apr 23, 6:17 PM

Last Updated

1 month, 2 weeks ago

Apr 23, 6:30 PM

Resolved

Apr 24, 12:45 AM

Coordinates

37.9204, -121.7322

Update History

1 observations

CHP : Traffic Hazard on CA-4 Westbound west of Balfour Rd (Antioch). 2nd lane from the left affected. Expect delays. Apr 23, 6:30 PM

Source: 511_sfbay · ID 511.org/1485323 First seen Apr 23, 2026 6:30 PM