Trooper Todd Wheeler was on a traffic stop at the 48 mile marker on westbound I-64.
Kentucky State Police say while Wheeler was standing at the door of the stopped vehicle, a 2007 Freightliner tractor pulling a 53-foot trailer struck the rear driver side of his Wheeler's cruiser.
The driver Leo A. Comer, 53, of Antioch, TN was traveling westbound in the right lane when the trailer struck the cruisers left rear corner.
Trooper Wheeler received some minor injuries from flying debris. He was treated at the scene by the Franklin County EMS. No one else was injured. The collision is under investigation by the Kentucky State Police Frankfort Post.