I WAS STOPPED IN TRAFFIC ABOUT 10 FEET BEHIND A VEHICLE AND REAR ENDED BY A CAR GOING AT LEAST 40 - 50 MPH. THE CRASH CAUSED MY CAR TO BE PUSHED INTO THE CAR IN FRONT OF ME. THERE WAS A SMALL AMOUNT OF DAMAGE TO THE FRONT OF MY CAR, BUT THERE WAS EXTENSIVE DAMAGE TO THE REAR OF MY CAR, PUSHING THE BACK SEATS INTO THE FRONT. MY CAR WAS TOTALED. NOT ONE AIRBAG DEPLOYED, THE DRIVERS SEAT BROKE AND MY SEATBELT DID NOT RESTRAIN ME AFTER THE INITIAL IMPACT CAUSING ME TO BE THROWN INTO THE PASSENGER SEAT AND KNOCKING ME OUT. THERE WERE NO PASSENGERS IN MY CAR.