Add Yahoo as a preferred source to see more of our stories on Google. The outside of a train can get pretty gross pretty quickly after driving through pollution and all kinds of weather and nature.

Hanging about and walking around Queens with a friend one afternoon last summer, our path carried us up Skillman Avenue and past the gargantuan Sunnyside Yards. Luckily, something I’d been trying to ...

Subway passengers don't usually see this. Minsk Metro showed footage from the train wash, which can only be seen by the company's employees. The automated train washing process itself is very similar ...