MY GRAND CARAVAN WAS HIT FROM BEHIND WITH SUCH FORCE THE REAR OF THE VAN LIFTED OFF THE GROUND. AT IMPACT MY DRIVERS SEAT BROKE, RECLINING ME, MAKING IT IMPOSSIBLE FOR ME TO REACH THE BRAKES TO STOP MY VAN. I HIT THE CENTER MEDIAN (FAST LANE) WITH THE LEFT FRONT FENDER, BLOWING THE TIRE AND BREAKING AXLE THE VAN THEN BOUNCED ACROSS LANES HITTING BRIDGE RAILING AND CEMENT WALL WITH RIGHT FRONT FENDER BLOWING THAT TIRE AND THEN BACK TO THE MEDIAN (FAST LANE), AND CAME TO A STOP AGAINST THE MEDIAN. I WAS TOLD BY THE INSURANCE INVESTAGATOR MY CARAVAN WAS BEYOND REPAIR DUE TO THE AMOUNT OF DAMAGE.*AK