WHILE DRIVING ABOUT 74 MPH RIGHT REAR TIRE (FIRESTONE DUALER 256/16) EXPERIENCED TREAD SEPARATION, CAUSING CONSUMER TO LOSE CONTROL OF VEHICLE AND CRASH INTO GUARDRAIL HEAD ON, THE PASSENGER WAS THROWN INTO DRIVERS SIDE SUSTAINING INJURIE., THIS WAS THE THIRD TIRE THAT HAD PROBLEMS WITH. TIRE WAS TURNED OVER TO FIRESTONE FOR INSPECTION CONTACT PERSON IS JAMES E CRAHAN P.O. BOX 18006, KANSAS CITY, MO 64133 PH-816-358-6111. *AK *MJS