The Tramway - A Train Trap

The train's doors were tiny and each wall several bright warning signs promising death or prosecution as they were used incorrectly. The gap between the cars was slick with mud, and a thin rain of dirt trickled down from the roof of the tunnel. I walked briskly through this car, seen nothing that caught my attention, and opened the next door at the other end to continue my journey towards the driver. It was even dirtier in this carriage than the one I had left, with a distinct layer of muddy soil over everything I could see. A new noise had been replaced by a sort of creaking groan that sounded like it was coming from the train itself. This is what metal sounds