Re: Houston Dip (1349364) | |||
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Re: Houston Dip |
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Posted by Spider-Pig on Fri Apr 24 08:49:32 2015, in response to Houston Dip, posted by Fulton Frank on Thu Apr 23 23:16:02 2015. The local tracks rise in order to be closer to the street level to minimize the need to climb stairs. The express tracks obviously do not stop, and have no need to be closer to the street, so they remain level allowing trains to maintain speed. |