GREENBUSH, Wis. (WHBL) - A Sheboygan man was injured in an early morning accident Friday.  19 year old Thomas Kraemer was headed Eastbound on HWY 23 near T in the Greenbush area when his 2010 Malibu crossed the centerline, and struck the rear of a 1999 Peterbilt semi being driven by Rick Mielke, of Campbellsport.  Mielke was uninjured, but Kraemer’s vehicle left the road and slid into a ditch.  Kraemer was taken to St. Agnes Hospital in Fond Du Lac for treatment of his injuries.