FRONT RIGHT TIRE TREAD SEPARATION AND BLOWOUT ON INTERSTATE IN A 2002 MONACO SIGNATURE 40' MOTORHOME. TIRE TREAD LIFE AND AIR PRESSURES HAD BEEN PROFESSIONALLY CHECKED PRIOR TO THE INCIDENT. GOODYEAR TIRE 295/80/R225. VEHICLE PROPELLED TO THE RIGHT CAUSING US TO RUN OFF THE INTERSTATE INTO THE SAND, AND VEHICLE WAS LAUNCHED INTO A ROLLOVER. BOTH DRIVER AND PASSENGER SURVIVED...PASSENGER EJECTED DURING ROLLOVER AND BADLY INJURED. MOTORHOME TOTALED. *TR