The front end of a Lake County Department of Transportation plow truck was struck by a passing vehicle Monday on Green Bay Road at 9th Street in Zion. | Photo: Lake County Passage.

A 28-year-old man who was critically injured after the car he was in struck a Lake County snowplow truck in Zion has died, the coroner’s office said.

An autopsy showed that Jacob Williams, 28, of Winthrop Harbor, died as a result of blunt force trauma to the head as a result of a vehicle crash, according to Lake County Coroner Jennifer Banek.

The Zion Fire and Rescue Department, Winthrop Harbor Fire Department and Zion Police Department responded around 5:30 p.m. Monday to the intersection of Green Bay Road and 9th Street in Zion.

Dispatchers received a 911 call reporting a vehicle crash involving an SUV and a Lake County Department of Transportation plow truck.

Firefighters arrived and found an SUV with heavy damage on Green Bay Road at 9th Street.

There were initial reports that the passenger of the SUV, later identified as Williams, was trapped in the car but firefighters did not need to extricate him.

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The Zion Police Department said that an investigation showed the snowplow truck was entering Green Bay Road from eastbound 9th Street.

The truck was struck on its plow by the SUV, which was traveling southbound on Green Bay Road, police said.

Williams, who was sitting in the front passenger of the SUV, sustained critical injuries and was transported to a local hospital for treatment.

Banek said that Williams was transported to Advocate Condell Medical Center in Libertyville and died on Thursday.

The Lake County Major Crash Assistance Team (MCAT) responded to the scene to assist Zion Police Department accident investigators.

Green Bay Road was closed in both directions for several hours Monday evening while investigators worked at the scene.

The crash remains under investigation by the Zion Police Department, Lake County Major Crash Assistance Team and Lake County Coroner’s Office.

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