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| Re: Tokyo (Re: Some Subways Found Packed Past Capacity) (456749) | |||
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Re: Tokyo (Re: Some Subways Found Packed Past Capacity) |
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Posted by David Fairthorne on Fri Jul 6 15:30:54 2007, in response to Re: Tokyo (Re: Some Subways Found Packed Past Capacity), posted by Wado MP73 on Fri Jul 6 08:11:36 2007. The eastbound Chuo rapid needs two tracks during rush so I don't think that was in the plans.There are extra tracks through Nakano station itself (not between stations), presumably to allow for long dwell times there on the Chuo rapid line. But I don't see why they need two tracks (7 and 8) eastbound and only one (6) westbound. reconfigure so the Chuo rapid use the outer tracks and the Chuo local the inner tracks between Nakano and Mitaka. Pairing tracks by speed prevents cross-platform transfers. Pairing tracks by direction allows cross-platform transfers. However with pairing by direction it is probably best for the slow tracks to be the inner tracks (as was proposed), because that allows slow trains to make short turns without crossing the fast tracks. Some lines in England (Waterloo main line south of Wimbledon; London Bridge to Croydon) are paired by direction, but with the fast tracks on the inside and platforms only on the outer tracks. I imagine the original reason may have been to allow higher speeds on the fast tracks, which can go in straight lines without having to bulge out to avoid platforms. |
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