WHILE TRAVELING ON I-95 AT APPROXIMATELY 50MPH TRAFFIC IN FRONT OF ME STOPPED TO AVOID ROAD WAY DEBRIS. WHEN I APPLIED MY BRAKES THE PEDAL WENT TO THE FLOOR. PUMPING DIDN'T HELP ALTHOUGH THE TRUCK DID SLOW DOWN BEFORE HITTING THE VEHICLE IN FRONT OF ME. LUCKILY NO ONE WAS INJURED. MY TRUCK SUSTAINED MANY THOUSANDS OF DOLLARS TO THE FRONT END. THE DEALER TELLS ME THAT THE BRAKE LINE BURST AND ALL BRAKE LINES ARE CORRODED AND NEED REPLACING. THERE WERE NO PRIOR BRAKE PROBLEMS. *TR