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| Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ... (1135033) | |||
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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 13:33:22 2012, in response to Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ..., posted by Wado MP73 on Thu Jan 26 09:42:17 2012. A moving block system does not require CBTCThen how can it communicate where the block has moved to? CBTC can be implemented on fixed block systems Yes, Canarsie has been doing it for years. But at some point, you get rid of the fixed blocks and complete the switchover. Otherwise, there's not much of a point in implementing CBTC. The only thing that will be cheaper for sure is the cost of parts/equipment needed for maintenance. As a fixed block system has smaller and smaller blocks, the cost starts going up. NYCT, with its need to have trains running every 2-5 minutes on most lines, has a pretty robust signal system. Being able to get rid of such a "dense" system of fixed blocks should help the MTA reduce costs as the existing signals reach the end of their life cycles. |
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