THE VEHICLE WAS BEING DRIVEN IN THE RIGHT LANE WHEN THE RIGHT REAR TIRE TREAD SEPARATED, THE VHEICLE TRAVELED TO THE RIGHT ONTO THE GRASSY SHOULDER, THE VEHICLE WAS STEERED TO THE LEFT AND TRAVELED ACROSS THE NORTHBOUND LANES, ACROSS THE MEDIAN AND INTO THE TREELINE ON THE SHOULDER, THE FRONT OF THE VEHICLE STRUCK A TREE AND SPUN TO THE RIGHT STRIKING ANOTHER TREE WITH ITS RIGHT SIDE, THE DRIVER SUSTAINED INCAPACITATING INJURIES (FLORIDA TRAFFIC CRASH REPORT, CRASH REPORT NUMBER 50163972, BRIDGESTONE,FIRESTONE P235.75R15, RADIAL ATX M/S W2HL1M0403). NLM