WHILE DRIVING ON HIGHWAY TRAVELLING 70MPH HEARD A LOUD NOISE, AND VEHICLE WENT INTO A SPIN. WENT FROM THE WESTSIDE ACROSS THE TWO LANES AND ACROSS THE MEDIAN AND WOUND UP IN THE DITCH ON THE EAST BOUND SIDE. CONTACTED A TOWING COMPANY TO CHANGE THE TIRE. DROVE HOME. FIRESTONE SOLD CONSUMER FOUR NEW WILDERNESS TIRES AT HALF PRICE. THE ORGINAL TIRES WERE ATX. *AK THE TIRE WAS STILL INFLATED AFTER THE INCIDENT. THE SPIN WAS CAUSED BY THE TREAD HITING THE VEHICLE. *YH