There was a two vehicle accident on Tuesday afternoon on State Highway 33 just west of Northwoods Drive in the Township of Excelsior. Sauk County Sheriff Chip Meister said investigation revealed 66-year-old Mark Henderson of Reedsburg was westbound on Highway 33 when it crossed over the centerline and struck a vehicle being driven by 54-year-old Alfred Ray of Reedsburg.  Henderson’s vehicle then entered the ditch where it rolled over. Henderson was extricated and transported to Reedsburg Area Medical Center. Police say Ray was treated at the scene.  Both subjects were wearing seatbelts and alcohol was not a factor in this crash.  This incident remains under investigation by the Sauk County Sheriff’s Office.