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| Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ... (1135023) | |||
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Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ... |
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Posted by J trainloco on Thu Jan 26 13:03:47 2012, in response to Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ..., posted by Stephen Bauman on Wed Jan 25 23:16:39 2012. If by "efficiency" you mean service level capacity,then CBTC provides no gain over a properly designed conventional signal system.Well that's an interesting metric of efficiency. I would assume 'efficiency' to be more of a bang for the buck type consideration, when you consider that CBTC allows trains to get far closer together than even the best fixed block system, at a far lower cost, then I would sure consider that to be more efficient. The existing 14th Street Line's signal system was properly designed. Unfortunately, numerous paramters have changed in the years since the Canarsie's fixed block system was designed, and it no longer was as 'efficient' as it previously was. |
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