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| Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ... (1134951) | |||
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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 Stephen Bauman on Wed Jan 25 22:57:48 2012, in response to Re: Latest updates: R-179 order saga, R-160 CBTC for (L) line & special reports ..., posted by randyo on Wed Jan 25 17:04:02 2012. CBTC is based on a moving block system rather than fixed block which would be necessary with wayside signals so the two types of block systems would be incompatible with each other.CBTC stands for Communications Based Traffic Control. The train knows where it is and how fast it is travelling. The train communicates this information to the Traffic Control System. There are no physical blocks. The Traffic Control System can use a virtual fixed block system, a virtual moving block system or any other system to maintain safe distances between trains. It's not necessary to remove an existing block system to operate under CBTC. |
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