General You could maybe save a few polygons here...

[eavolve]

The info signs in station concourses could be holograms (like all other signage) instead of looking like they were extracted from the waste bin of a CES Conference 1300 years prior?

Double sided wouldn't be a bad thing either and probably easier.

 

[Azmuth Divarchchron]

+1
its 3305
and corporations would still go with the cheapest option
holoboards take less resources to make

 

[LeptonFields]

This got me to thinking about a damaged station - those should flicker and sputter out on occasion depending on BGS state.