Authorities are still investigating an accident on Highway 151 that sent a Beaver Dam man to the hospital. 31-year-old Chad Schaalma was hit by the passenger side of a semi around 7 yesterday morning. The Dodge County Sheriff’s Department said Schaalma had pulled over to the side of northbound 151 just south of Highway 73 near Columbus. Witnesses say Schaalma darted out into the roadway as the semi approached. He was initially hit by the turn signal before being hit by two other parts of the struck. Schaalma was taken by EMS to Columbus Hospital before being Medflighted to UW-Hospital in Madison. Officials say he suffered a two-inch gash to his skull but none of his injuries were considered life-threatening. Law Enforcement are trying to determine whether his car broke down on the side of the road or if he stopped for a different reason.