(WFRV) - The Wisconsin State Patrol is investigating a significant crash incident that occurred shortly before noon on Friday near eastbound mile marker 182 on I-39/90. According to a release from the Rock County Sheriff's Office and Department of Public Works, the preliminary information shows that the accident involved a semi-tractor trailer crashed into a Rock County Department of Public Works plow. Kewaunee’s Winter Park set to open this weekend The plow cleared snow on the inside median during maintenance due to the morning snowfall. The semi-tractor trailer hit the rear passenger side. The plow driver reported no injuries but was evaluated at a local hospital. Traffic in the area is being rerouted through STH 11, CTH G and BT. The closure length is unknown. No more details are available.