WAS DRIVING 75MPH ON INSIDE LANE WHEN AN EXPLOSION WAS HEARD. LOST CONTROL OF VEHICLE. WAS PULLED HARD TO THE LEFT, THEN CORRECTED, AND WAS THROWN TO THE RIGHT. FINALLY GOT VEHICLE UNDER CONTROL. STOPPED VEHICLE & CHECKED TIRES. NOTICED LEFT REAR TIRE WAS SHREDDED. HAD NO TREAD ON IT & THE STEEL BELT WAS HALF GONE. BLOWOUT DID DAMAGE TO VEHICLE. CONTACTED AAA & SPARE WAS PLACED ON VEHICLE. PRIOR TO BLOWOUT, HAD TIRES CHECKED & EVERYTHING HAD CHECKED OUT INCLUDING TIRE PRESSURE. HAVE THE TIRE. FIRESTONE, RADIAL STEEL TEX, LT245/75R16 WITH 34,000 MILES ON A 1999, CHEVROLET, SUBURBAN.*AK