PS/ You shouldn't wear out your brakes. In fact, if you gear down and use an exhaust/engine brake, you should not use your brakes much at all. Just make sure that at the top of the hill, you are going the speed at which you want to descend (remember there are lots of turns) and set your exhaust brake. You should only have to use your brakes occasionally to bring the coach back to the desired speed if it picks up. Don't worry about slowing other people down. You do not want to overheat your brakes! The speed limit on Hwy 160 on Wolf Creek pass is 35 and for heavy trucks, it's even lower.