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Old 10-02-2010, 11:43 AM   #33
vanshnookenraggen
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Join Date: May 2006
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Re: Amtrak's $117 Billion Plan For High Speed Travel

Quote:
Originally Posted by Lurker View Post
Instead of spending billions on new ROWs and tunnels, which will face cost overruns, court cases, environmental review, and other assorted delays, why can't existing highway ROWs be used? Simply build an elevated rail bed using the same prefab elevated concrete structures used to connect to the Big Dig in the center medians of existing highways. The project would be 10x faster and cheaper for the same, if not better, result.
Because there isn't enough space on existing highway ROWs (in urban areas). Elevated rail would have to contend with overpasses so it wouldn't be that simple. Also highways are not designed with high speed trains in mind so their curves in places would be too much.

A new, dedicated ROW is the proven way to do this.
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