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| Re: LIRR needs to improve ROW maintenance; new dieseld (500132) | |||
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Re: LIRR needs to improve ROW maintenance; new dieseld |
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Posted by trainsarefun on Mon Oct 8 15:43:39 2007, in response to Re: LIRR needs to improve ROW maintenance; new dieseld, posted by GP38/R42 Chris on Mon Oct 8 14:35:03 2007. Well, the entire current rolling stock will eventually have to be replaced, but the current third-rail network need not go into disuse until that point. As NYP in our area shows, one can have catenary co-exist with third rail. The catenary can at first be used by catenary-powered trains coming in from non-electrified territory, and then once the M7 cars are ready for reefing - the M3 cars will by then be long gone - in currently third-rail electrified territory too.The major obstacle to catenary seems to be clearance in tight spots, e.g., Park Avenue Tunnel, Atlantic Avenue Tunnel, (maybe 63 St Tunnel too). But a large part of LIRR territory is amenable, it seems, to the technology, especially since the diesel and dual-mode equipment does not at all seem cost-effective in the long-term, especially with the current equipment. |
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