Originally Posted by
You want to go where?
Agreed, If the train is being used both ways and not simply running empty back to the original starting point, then I agree that there is certainly no reason to build tracks and run trains for the occasional errant passenger. However, it does sound like some signage might be in order to minimize the possibility that someone does this. That wouldn't cost much.
You're right, it wouldn't be expensive; but what makes you think that a passenger who takes a train to a random pier when told to wait would a) understand the sign and b) follow what it said?