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| Re: Second Ave Alignment Change (637602) | |||
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Re: Second Ave Alignment Change |
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Posted by Sand Box John on Sat Jun 21 21:16:45 2008, in response to Re: Second Ave Alignment Change, posted by SelkirkTMO on Sat Jun 21 20:59:56 2008. I maybe wrong as hell here, but I recall reading somewhere that the TBM that was going to used under Second Avenue proper was not capable of steering in the X axes. You will note that the track S1 and S2 tunnels are tangent in the revised configuration and the previous configuration had S curves in the X axes on both ends of the station.John in the sand box of Maryland's eastern shore. |
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