LR FAILURE AFTER TURNPIKE DRIVING X 4 HOURS--BLOWOUT, TREAD SEPARATION. 20,000 MILES ON TIRES AT TIME. CAR SPUN OUT OF CONTROL ENDING UP BACKWARDS ON SHOULDER 50 FEET FROM CANAL! DAMAGED CONTROL ARM,STRUT ASSEMBLY,WHEEL WELL,ETC. DON'T KNOW HOW I DIDN'T ROLL OVER! THANKFULLY, NO OTHER CARS IN MY PATH OR WOULD HAVE BEEN FATALITIES!...RR TIRE--2MOS LATER--AFTER SAME TURNPIKE TRIP NOTICED BUMPING NOISE IN REAR END. INVESTIGATION REVEALED BUBBLE IN TREAD OF TIRE--23,300 MILES WEAR ON THIS TIRE. I THINK YOU SHOULD WIDEN YOUR INVESTIGATION TO INCLUDE OTHER FIRESTONE TIRES THAN JUST THE SUV/TRUCK TIRES!!! THANKS!! (I STILL HAVE THE TIRES!). *AK( DOT NUMBER: TIRE SIZE: P205/70R15 )