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| Re: Canarsie Line During (L) Tunnel Shutdown/Atlantic Avenue (L) station (1385083) | |||
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Re: Canarsie Line During (L) Tunnel Shutdown/Atlantic Avenue (L) station |
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Posted by Stephen Bauman on Wed Feb 10 08:13:45 2016, in response to Re: Canarsie Line During (L) Tunnel Shutdown/Atlantic Avenue (L) station, posted by Wallyhorse on Wed Feb 10 07:12:04 2016. Such would allow for more long-term operational flexibility and allow for such a Broadway-Brooklyn line to Canarsie to continue even after the (L) tunnel shut down ended while the (L) can better serve the much more heavily traveled portion of the line.Not quite. Only CBTC equipped trains can operate on any portion of the line between 8th Ave and Rockaway Pkwy. The detection of a single non-CBTC train on the tracks forces the auxiliary wayside system (AWS) into operation. This was designed to handle only 3 tph, enough for work train operation during the midnight hours and no more. It's a string of absolute blocks between switches. Operational flexibility on the Canarsie Line was eliminated when the line's original block system was removed as the last stage of CBTC implementation. |
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