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On December 4, 2001...


Trainspotter

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New Technology R143 subway cars enter service on the (L) line. The R143 is considered the most advanced NYC subway car to date, featuring Communication-Based Train Control (CBTC). When CBTC becomes fully operational, the signaling system will be able to identify a train's exact location.

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That would be good if the R160's were not running on the L right now. When you follow one with a R143 in CBTC you have to some times wait even though you have a green signal in front out you. This is do to the CBTC system knowing that there a train there, but does not know it's right positions. It's like following an R42 all over again.

 

Robert

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That would be good if the R160's were not running on the L right now. When you follow one with a R143 in CBTC you have to some times wait even though you have a green signal in front out you. This is do to the CBTC system knowing that there a train there, but does not know it's right positions. It's like following an R42 all over again.

 

Robert

 

So you're saying the CBTC gets confused or is confusing itself?

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