ON 4/28/00 I HAD MY TIRES CHECKED AT FIRESTONE. REPLACED FRONT TWO TIRES. MILEAGE ON VEHICLE WAS 56,405. BACK TWO TIRES HAD PLENTY OF TREAD AND DID NOT NEED REPLACING. REASON FOR REPLACING FRONT TIRES WAS CUPPING ON INSIDE OF FRONT TIRES. ON 7/12/00 THE BACK LEFT TIRE BLEW OUT ON THE INTERSTATE AT 70 MPH. CAR WENT OFF ROAD AND FLIPPED THREE TIMES...TOTALLING VEHICLE. SUFFERED BROKEN RIBS, CONCUSSION AND OTHER INJURIES. *AK( DOT NUMBER: TIRE SIZE: P22575R15 )