TRAVELING ON A HIGHWAY, CHANGED LANES TO AVOID IN ACCIDENT, CAR BEHIND ME CHANGED LANES TOO. CAR BEHIND FAILED TO SLOW DOWN AND SMASHED TRUNK AND PUSHED ME INTO A STEEL GUARD RAIL. SIDE, FRONT, AND KNEE AIR BAGS DID NOT DEPLOY. SEAT BELT PRETENSIONERS DID NOT ENGAGE. NOR DID HEAD RESTRAINTS.