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| Re: Underground Layup (Re: Question: Why No Station at 188th Street/Hillside Avenue?) (1446313) | |||
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Re: Underground Layup (Re: Question: Why No Station at 188th Street/Hillside Avenue?) |
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Posted by menJop on Fri Aug 11 23:49:49 2017, in response to Underground Layup (Re: Question: Why No Station at 188th Street/Hillside Avenue?), posted by Mitch45 on Wed Aug 9 12:45:29 2017. There's already 8 tracks on two levels just east (RR north) of 179th, with capacity to lay up 10 trains without fouling any switches (Peter Dougherty).If you were to extend D1-D4 (bringing the local tracks D1/D2 up to the same level on new ramps), you'd lose 6 trains of layup capacity (one each on the local tracks and two each on the express tracks), but you could make up some or all of that with tail tracks beyond the new terminal. You could also add switches for access to the existing layup tracks from the new terminal (i.e., from RR north). That way services terminating at the new terminal could run light back to the existing layups. Not saying this would be cheap, but wouldn't be that bad. A cheaper option would be to simply extend the express tracks out to a new terminal, with tail tracks to recoup the 4 trains worth of storage capacity. I dislike the inflexibility of 2-track lines though. |
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