DRIVER WAS GOING NORTH ON VT 100 BEGINNING TO ROUND CORNER IN ROAD AT THE FORK OF STAGECOACH ROAD. A WHITE VAN APPROACHED FROM THE RIGHT PARKING LOT OFF RT 100 THE DRIVER LOOKED RIGHT AND THE TRUCK DRIVER IN FRONT STOPPED SHORT FOR ON COMING TRAFFIC GOING SOUTH ON VT 100. THE TRUCK IN FRONT OF DRIVER WAS MAKING A LEFT HAND TURN ONTO STAGECOACH ROAD.TOO LATE TO STOP, DRIVER HIT THE REAR OF THE TRUCK. DRIVERS VEHICLE WAS TOTALED THE DRIVER WAS WEARING SEAT BELTS BUT THE AIR BAG DID NOT DEPLOY EVEN WHEN THE FRONT END WAS DEMOLISHED...UPDATED 11/12/14 *BF UPDATED 7/28/2015*JS *TR