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| Re: LIRR East Side Access / Roosevelt Island F Station (506002) | |||
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Re: LIRR East Side Access / Roosevelt Island F Station |
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Posted by Michael549 on Mon Oct 22 13:59:30 2007, in response to LIRR East Side Access / Roosevelt Island F Station, posted by Roosevelt island 360 on Mon Oct 22 13:17:23 2007. The closet example of what you are talking about would be the creation of the express platforms on the Lexington Avenue line at 59th Street. The express tracks exist below the local tracks, and when the station was originally created only the local trains stopped at the 59th Street station, the upper platforms. The heavy ridership at 59th Street, and the amount of riders transferring to local trains for that station was what prompted the TA to build the express platforms and other improvements.I suppose it would really depend upon the method that was used to construct the tunnels of the 63rd Street line. While the underwater sections were built as units that were floated into position and sunk, I suppose that there would be a question about how the sections actually on Roosevelt Island were built. Mike |
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