AFTER WAITING MY TURN TO PAY A TOLL ON THE OHIO TURNPIKE EXIT IN TOLEDO, THE VAN DID NOT STOP WHEN I APPLIED THE BRAKES AND I RAN INTO THE BACK OF THE CAR AHEAD OF ME. MY VAN BRAKES HAD BEEN WORKING AS WE EASED UP TO THE TOLL BOTH WITH ABOUT 6 CARS AHEAD OF ME. I HAD MY FOOT ON THE BRAKES THE WHOLE TIME. WHEN I WAS SECOND ON LINE, I EASED UP ON THE BRAKES. BUT, THE VAN WOULD NOT STOP EVEN THOUGH I STOMPED ON THE BRAKES TWICE VERY HARD, IT STIL WOULD NOT STOP.