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| Re: SAS termini questions (126777) | |||
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Re: SAS termini questions |
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Posted by stephenk on Sun Aug 14 16:36:37 2005, in response to Re: SAS termini questions, posted by Rail Blue on Sun Aug 14 07:25:21 2005. Here is a link to my idea for creating a very high capacity but compact 2 track/island platform terminal.http://www.flickr.com/photos/stephenk1977/27424718/ It simply replaces the scissors crossover with a flying junction. The inbound and outbound tracks would enter the flying junction in a vertical arrangement. It would also allow for flexibility in island platform size (as with a scissors crossover, the further apart the platforms, then the further out the end of the crossover will be, with negative impacts on capacity). This would be very suitable for the 125th St terminus. It would require a narrower construction site, and be able to handle just as many trains as a 3 track terminus with just 2 tracks. It could also mean that the tracks running through the curve from 2nd Av to 125th St could be positioned vertically, again reducing surface impact during construction. |
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