In new york city metro sit authority, conductors have to point at a sign before leaving a station. Each of these actions is designed to help everybody who's working on the rail system be more alert and stay on task. It really hasn't taken off in other countries as much as i would have thought, given how successful it has been in japan.
The greatest mode of transportation is the funicular, which is a special kind of train pulled by a cable that runs up steep slopes. But trains are great even when they're not going up treacherous terrain. And in that spirit: here are some of the most ambitious, fascinating, and downright crazy trains that the world has ever seen.
Train Set