I WAS TRAVELING ON A 2 LANE ROAD. A TRUCK PULLING AN ENCLOSED TRAILER WAS IN FRONT OF ME TURNED ON HIS RIGHT BLINKER AND BEGAN TO BRAKE TO MAKE THE TURN. I WAS TRAVELING 77 MPH, SO I MOVED TO THE ONCOMING TRAFFIC LANE (THE LEFT LANE) IN ORDER TO PASS THE TRUCK. AT THE LAST SECOND THE TRUCK SWERVED INTO THE LEFT LANE IN ORDER TO MAKE A WIDE TURN. I ABRUPTLY JERKED THE STEERING WHEEL RIGHT TO AVOID COLLISION WITH THE TRUCK, BUT THE VEHICLE SEEMED TO LOSE POWER STEERING AS WELL AS POWER BRAKES. I WAS UNABLE TO STRAIGHTEN THE STEERING WHEEL BACK AFTER JERKING IT TO THE RIGHT TO GO BACK INTO THE RIGHT LANE; MY VEHICLE HIT THE BACK OF THE ENCLOSED TRAILER AND THEN HIT STEEP DITCH WHERE MY BACK PASSENGER TIRE POPPED AND THE VEHICLE FLIPPED ONTO ITS ROOF. THE VEHICLES AIRBAGS FAILED TO DEPLOY EVEN THOUGH THE VEHICLE HAS SIGNIFICANT DAMAGE TO THE FRONT , TOP AND SIDES OF IT. I REGAINED CONSCIENTIOUSNESS I ATTEMPTED TO TURN THE CAR OFF AND REMOVE THE KEYS FROM THE IGNITION. BUT I REALIZED THAT THE KEYS WERE NOT I N THE IGNITION.I CRAWLED OUT OF THE PASSENGER WINDOW TO EXIT THE VEHICLE. THE KEYS WERE LATER FOUND BY MY HUSBAND LOOSE IN THE VEHICLE. I HIT MY HEAD HARD WHEN THE VEHICLE FLIPPED, GOOD DEAL OF BLOOD ON ME FROM WHAT ENDED UP BEING MULTIPLE SUPERFICIAL LACERATIONS AS WELL AS A DEEP WOUND IN MY LEFT KNEE, WHICH REQUIRED 12 STITCHES TO CLOSE UP. I WILL HAVE A SCAR FROM IT FOR THE REST OF MY LIFE. I WAS RUSHED BY AMBULANCE TO THE HOSPITAL AND WAS RELEASED AROU