ON SEPT. 10TH 2018 OUR RV DEALER CHECKED THE TIRE PRESSURE IN ALL TIRES BEFORE US LEAVING WITH THE TRAILER TO TRAVEL TO ELBERTA AL. WE LEFT ABOVE LOCATION AT APPROX. 0900HRS. IN ROUTE TO ELBERTA AL. AT APPROX. 1330HRS. NEAR MILE MARKER 52 ON I65 SB TIRE 1 BLEW OUT WE PULLED OVER ON THE SIDE OF THE INTERSTATE AND CHANGED THE TIRE WITH THE SPARE TIRE. WE PURCHASED A NEW TIRE TO REPLACE TIRE 1. TIRE SHOP MOUNTED THE NEW TIRE BACK ON & PLACED THE SPARE TIRE BACK ON THE SPARE CARRIER & AGAIN CHECKED TIRE PRESSURE IN ALL TIRES & THEY WERE AT THE CORRECT PSI. WE LEFT THAT LOCATION & TRAVELED TO OUR CAMPGROUND A FEW MILES DOWN THE ROAD. WE STAYED AT OUR LOCATION UNTIL SEPT. 17TH 2018. NO PICTURE AVAILABLE & WE DID NOT KEEP THE TIRE OF THE FIRST BLOWOUT ON SEPT. 17TH 2018 WE LEFT ELBERTA AL BACK IN ROUTE TO CALERA AL AT APPROX. 0930HRS. AT APPROX. 1115HRS NEAR MILE MARKER 60 ON I65NB TIRE 2 BLEW OUT. WE PULLED TO THE SHOULDER OF THE INTERSTATE. THE BLOWOUT RESULTED IN THE TREAD WRAPPING AROUND THE AXLE AND BREAKING SYSTEM OF THE TRAILER. AFTER MANY ATTEMPTS TO GET THE TREAD OFF THE TRAILER AND MY HUSBAND CAUSING INJURY TO HIS ARMS FROM THE WIRES OF THE TIRE, WE CONTACTED A TOWING COMPANY FOR ASSISTANCE AT THE RECOMMENDATION OF TOWING SERVICES FROM THE COUNTY SHERIFF'S OFFICE. THE TOW OWNER ARRIVED & WAS ABLE TO REMOVE THE TREAD AND PLACE THE SPARE TIRE ON. THIS BLOWOUT RESULTED IN BREAK DAMAGE TO BREAK 2 & SKIRT DAMAGE TO THE CAMPER. WE CONTINUED TO OUR DESTINATION EXITING I65N