A grim tension builds as she spies on two couples as her train passes their houses.

When a freight train passes it's as though a sonic boom has struck.

As the train passes over, an on-board sensor detects that the transmitter has been activated and automatically applies the brakes.

So nervous about his prospects for continued employment was one broker that he said he buys weekly train passes.

When the wheel of the train passes over, it explodes emitting a loud bang.