I WAS INVOLVED IN A MULTI-CAR ACCIDENT WHERE MY FOCUS RECEIVED REAR, SIDE, AND FRONT IMPACT. NONE OF THE AIR BAGS DEPLOYED DURING THIS ACCIDENT. THE CAR IS NOT ABLE TO BE DRIVEN. I RECEIVED A CONCUSSION AND SCRAPE ON THE HEAD FROM HITTING THE SIDE OF THE DOOR FRAME (WHERE THE SEAT BELT ADJUSTER IS LOCATED). THIS ACCIDENT OCCURRED ON AN INTERSTATE. I WAS TRAVELING ON THE INTERSTATE WITH MY CRUISE SET AT 68 MPH WHEN A CAR 4 CARS AHEAD OF ME ABRUPTLY STOPPED IN THE LEFT LANE. THE 3 CARS IN FRONT OF ME ENDED UP COLLIDING. I SLOWED TO ALMOST A STOP AND DROVE ONTO THE SHOULDER TO AVOID THE CAR DIRECTLY IN FRONT OF ME WHEN I WAS HIT FROM BEHIND. THE CAR THAT HIT ME WAS TRAVELING AT APRX 50-60 MPH. MY FOCUS WAS PUSHED INTO THE GRASSY MEDIAN, COLLIDING ALONG THE WAY WITH 2 OF OTHER VEHICLES INVOLVED. VERY CONCERNED THAT NONE OF THE AIR BAGS DEPLOYED. *TR