2004 FORD F15, UNIT 1 WAS EASTBOUND IN FAR RIGHT LANE OF THE OHIO TURNPIKE. THE BALL OF TRAILER HITCH BECAME DISENGAGED FROM POWER UNIT. UNIT 1 TRAILER SEPARATED FROM THE POWER UNIT AND TRAVELED ONTO INSIDE BERM, STRIKING BARRIER WALL, CAUSING CAR A TOP TRAILER TO SLIDE FORWARD OFF OF TRAILER. *BF (OHIO TRAFFIC CRASH REPORT # 10-0072-90)*JB UPDATED 04/22/11 *BF