DRIVING CAR ON INTERSTATE AT APPROX. 70 MILES PER HOUR. REAR DRIVERS SIDE TIRE SEPARATED CAUSING CAR TO VEER OFF THE ROAD INTO GRASSY AREA. PROCEEDED APPROX. 75 FEET BEFORE STOPPING VEHICLE. CAR HAD OVER 1200.00 DOLLARS WORTH OF DAMAGE TO REAR BUMPER, TAIL LIGHT AND REAR DOOR FROM TIRE BEATING UP AGAINST CAR. THE WHOLE TREAD SEPARATED FROM THE TIRE. *TR