Parke County, In. – An accident involving a pickup truck and a dump truck closed U.S. 36, near Rockville Wednesday.  Police say that the pick-up, driven by a 17-year-old, attempted to make a U-turn and pulled into the path of the dump truck.  The driver and a 16-year old passenger in the pickup were air lifted to a hospital in Indianapolis.  Another 16-year-old passenger was transported to Union Hospital in Terre haute.  The driver of the dump truck was taken to Union Hospital in Clinton for his injuries.