I think that it is a good idea. Since each tram is only going to service half the lot, then hopefully, things will be moving quicker at the end of the day. As far as changing the lot names, you almost have to. People have enough trouble remembering the name of the lot that they are in. If they were now expected to remember the lot, plus which side it is on, you would have tons of upset people when they get on the wrong side. By going to a simple Heroes vs. Villans themes, you eliminate virtually all of that problem.