The nav card tables will be used as teleporters, seeing as how they're run by 115, and use massive amounts of energy.
Perhaps the nav card tables will allow us to teleport between the existing maps during the game. They might also be used for unlocking secrets in the maps e.g. Phd flopper on Die Rise or reprogramming the bus driver on tranzit.
teleport between maps doesnt sound like a good idea, seem excessive. Plus how will it count the "boss" rounds on die rise?
Id like the idea of additional areas becoming accessible
If they allowed teleporting between rounds, the easiest thing would be to keep each maps characteristics the same. You could then take the guns you like from one map to another and hold fort on your favourite map. It probably won't happen but it's nice to hope...