I WAS INVOLVED IN A TRAFFIC COLLISION IN WHICH MY BRAKES FAILED TO STOP MY VEHICLE. WHEN I PRESSED THE BRAKES DURING A SUDDEN STOP, THE BRAKES STARTED TO SLOW DOWN MY TRUCK BUT THEN THE PEDAL WENT ALL THE WAY DOWN TO THE FLOOR WITH A RUBBING NOISE AND MY TRUCK KEPT TRAVELING UNTIL I HIT THE VEHICLE IN FRONT OF ME.