VEHICLE TRAVELING NORTH ON I-75 IN THE LEFT LANE, NORTH OF TAMPA, FL, THE RIGHT REAR TIRE SUFFERED TREAD LOSS, THE ENTIRE TREAD OF THE TIRE CAME OFF. CAR WENT OUT OF CONTROL, SPUN 180, WENT INTO AND ACROSS MEDIAN, STRUCK EDGE OF SOUTHBOUND LANE, FLIPPED ONCE, STRIKING ANOTHER VEHICLE IN SOUTHBOUND LANE, TRAVELED 62 FEET ON WEST SHOULDER OF I 75, TRAVELED OVER A CEMENT WALL, CRASHED INTO CEMENT CULVERT. DRIVER AND PASSENGER INJURED, DRIVER OF OTHER VEHICLE INJURED. HAVE POLICE REPORT AND PHOTOS CLEARLY SHOWING TIRE MISSING THE TREAD.( DOT NUMBER: TIRE SIZE: P225/70R15 )