Trooper Anthony Borostowski was killed in a single vehicle crash at mile marker 89 on eastbound I-90/94 in Sauk County.
He was on patrol at approximately 4:00 am when his patrol car left the roadway and struck a tree. He was pronounced dead at the scene.
Trooper Borostowski was a member of the Wisconsin Army National Guard and had served with the Wisconsin State Patrol for three years.
Our hearts and prayers go out to Trooper Borostowski’s family, the WI State Patrol and all of the WI Law Enforcement community.