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From what I read at the TGV web site maintanence costs of HSR is similiar to the costs of freight tracks. Similiar to highway, HEAVY freight causes most of the damage. Therefore, if you build passenger only tracks, even at freight speeds, the costs of maintanence would be less. It is only because HSR has to have tracks maintained at a higher level which causes the higher costs, but not much more than the costs of existing freight tracks.... <br /> <br />Of course, this is from a European point of view. In America, we have allowed the freight companies to really degrade the tracks..... In Europe 100 mph is not considered fast, in America it is as far as railroads are concerned....
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