PE00020; CONSUMER TRAVELING 70 MPH ON HIGHWAY AND HEARD A THUMPING NOISE. THEN, THE VEHICLE BEGAN TO VIBRATE AND VEERED LEFT AND CROSSED THE MEDIAN AND CRASHED. CAR THEN ROLLED SEVERAL TIMES. HE LOST CONTROL OF THE VEHICLE. THIS WAS CAUSED BY TREAD SEPARATING FROM THE TIRES. VEHICLE WAS TOTALED. *AK