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| Re: Lexington Avenue Line TPH (259722) | |||
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Re: Lexington Avenue Line TPH |
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Posted by Stephen Bauman on Sun May 28 21:17:27 2006, in response to Re: Lexington Avenue Line TPH, posted by Broadway Lion on Sun May 28 20:57:37 2006. There are no merges, and there are no diverges.That's a straw man. Merges/diverges are far less a constraint on line capacity than stations. An understanding of what determines capacity, should cause one to reject that argument. However, if you want working examples: The Third Ave El operated at 42 tph, with locals, expresses and thru expresses. There were 2 downtown terminals and 3 uptown terminals.The Third Ave El also had a grade crossing at one of its terminals. Grade crossings should have no impact on maximum service levels either. The tracks on the Brooklyn Bridge between Sands St and Park Row operated at 66 tph with merges and diverges. |
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