Quote:
Originally Posted by Danth
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Air travel has a similar concern: It's great in low-density environments with modest load requirements. It rapidly falls flat on its face when population density gets past a certain point. Give the U.S. long enough that our cities start to look more like Jakarta or Tokyo and I expect rail will warrant a more serious look.
Danth
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So yeah, type 2 civilization sure. The US wont make that long enough road you speak of, until we're no longer a petroleum based society.
The reason china and Saudi Arabia can is because they have a lot of money right now, are authoritarian, and are building everything basically from the ground up.
And they use slaves.
But for the free world to get there, it's either impossible or we have to invent warp travel first and get invited into a federation with awesome Vulcan type teachers to guide us.