"All right, you lot, here's the plan." Rose raised her voice more out of military theater than any real need. "The switcher doesn't have the muscle to lug the whole train to the summit like a full-power locomotive could, so it'll have to pull one car at a time. Once all the cars are at the summit loop, the crew hitches everything up again and we make the downhill run. I'm told that won't be as tough; the grades are longer, and there isn't much in the way of reverse slopes."