Quote:
Originally Posted by Shiva_TD
The European train system is not a subterrainian system and my $80 million per mile number came from a recent US underground rail system (I forgot which one) and was the actual costs.
Japan also has highspeed rail but they did not attempt to build it underground. The costs of underground work are very prohibitive and dangerous from a construction standpoint.
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Oh sorry, my mistake. I missed the word "subterranean" in your post above. For such a kind of system your numbers might be realistic indeed, depending on the technology of course, but you will be probably better served with higher estimations than lower ones.
To clear my own position, I am highly skeptical towards a subterranean network, but a supporter for conventional (mostly above ground) high speed systems. Its my opinion that the US is in need for a serious approach in this direction. The single Acela corridor is half heartedly at best. (Even though it might be better than nothing)