3D Ultra Lionel Traintown - That's a Fender Bender!

The thing you wouldn't want to hear, especially when being an hour into "Festival of Knights" with all puzzles solved, and the only objective is to deliver the loads.
Still iconic though; rail cars filled with explosives going off, thus rocking your world = a fender bender.
Fun Fact: The intensity of the crashed cars depend on your train's speed. Try using the hump for this one.