Question: How do the "door transporters" outside Starfleet work? People just seem to walk straight into them and vanish, a) faster than normal transporters, and b) without any indication they're controlling where they're going. There's no sign saying where each door connects to, are people just hoping for the best?
Answer: I assume they get sent directly from those 'Doors' to a Central Transporter hub, from there they can request to be beamed to their desired destination.
Chosen answer: My guess is that they go to 1 place and they can't chose where to go. Like a highway without exits, you just end up where the highway stops.
lionhead