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High Speed Rail
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John SD
Posted 4/18/2009 08:15 (#684385 - in reply to #684213)
Subject: What powers this train? ... electric?



A train running underground would have a limited amount of ventilation for passengers.

The initial construction costs would be horrendous but once established maintenance should be minimal on an enclosed underground track.

How does the track cross major waterways? Conventional or fully enclosed bridges?

Edited by John SD 4/18/2009 08:18
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