WAS DRIVING ON BELTWAY IN WASHINGTON, DC. ANOTHER VEHICLE WAS DRIVING AT A HIGH RATE OF SPEED IN AN ATTEMPT TO MERGE ON THE BELTWAY WHEN HE CLIPPED MY VEHICLE. MY VEHICLE SPUN AROUND ON BELTWAY AND HIT GUARDRAILS AT HIGH RATE OF SPEED TWICE. BOTH FRONT AND BACK BUMPERS WERE COMPLETELY TORN APART IN ADDITION TO HUGE DENT IN DRIVER'S SIDE DOOR. FRONT OR SIDE AIRBAGS DID NOT DEPLOY. *TR