WHILE SLOWING DOWN DUE TO INTENSE TRAFFIC ON A HIGHWAY WE WERE VIOLENTLY HIT BY A CAR DRIVING BEHIND US. THE IMPACT WAS SO GREAT THAT THE CAR WAS DEMOLISHED - THE BOTTOM REAR OF THE CAR AND TIRES WERE TOTALLY CRUSHED, THE ROOF WAS BENT IN THE MIDDLE, ALL WINDOWS BURST, AND DOORS WERE JAMBED SHUT. WE WERE PUSHED INTO THE CAR AHEAD OF US. THE AIRBAGS DID NOT INFLATE. PASSENGER SUSTAINED FACIAL INJURIES AND DRIVER SUSTAINED INJURIES TO CHEST. WE DO NOT BELIEVE THE SEAT BELTS CONSTRAINED US IN THIS CRASH. *AK