Does anyone know the year this was first implemented or invented?
Me? I'm dishonest, and a dishonest man you can always trust to be dishonest. Honestly. It's the honest ones you want to watch out for, because you can never predict when they're going to do something incredibly... stupid.
I would hope that it happened when they first started running more than one train, even if it was run manually by the operators rather than by interlocks. But, I'm not sure, Leap the Dips doesn't seem to have any provisions.
