Accident High Severity Resolved

CHP : Residual delays on CA-4 Westbound at Balfour Rd (Antioch). Right shoulder affected. Expect delays.

A high-severity accident was reported on CA-4 W near Contra Costa on May 25, 2026 at 5:43 PM.

Road

CA-4 W

Area

Contra Costa

Address

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Started

May 25, 10:43 AM

Last Updated

20 hours ago

May 25, 10:45 AM

Resolved

May 25, 4:45 PM

Coordinates

37.9204, -121.7322

Update History

1 observations

CHP : Residual delays on CA-4 Westbound at Balfour Rd (Antioch). Right shoulder affected. Expect delays. May 25, 10:45 AM

Source: 511_sfbay · ID 511.org/1499159 First seen May 25, 2026 10:45 AM