ok, i'm about halfway through reading this thread but i had to post some stuff.
firstly the covering on roads, (and sidewalks)
do we really need them? i fail to see why but even if we do this game doesn't have to be 100% realistic and, anyway do you really want to see large orange tubes running around your city as roads? i think the roads looked better without the covering (love that fast lane) although the tubes look good i'm sure they can find another purpose.
and it probably would be more realistic anyway, people buying space suits instead of the government paying for every sidewalk and road to be covered. (think of the maintanance (spelling?) costs!)
lastly, the bridges would really look crap if the road was covered by a tube.
Btw the mag lev train in the movie the island looks cool, can't find a pic of it though but it would probably suit this mod.
waddaya think?
Anubis_