Both motorcyclists were injured Sunday evening after a crash in Hawkins County.According to a crash report from the Tennessee Highway Patrol (THP), two Harley-Davidson motorcycles, a 1990 model and 1998 model, were heading north on Old Union Road near Walnut Street diring the early evening hours.THP reports one of the motorcycles, the 1990 model, hit the other from behind, causing both of the motorcycles to go off the right side of the road.The report states both vehicles hit a guard rail before they came to a final rest.