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| Re: Second Av Subway Ridership Growing Rapidly (1426223) | |||
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Re: Second Av Subway Ridership Growing Rapidly |
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Posted by Stephen Bauman on Thu Feb 2 05:31:22 2017, in response to Re: Second Av Subway Ridership Growing Rapidly, posted by AlM on Wed Feb 1 16:39:21 2017. They are very hesitant and stay far behind the train ahead of them. Years ago they'd hit a signal just as it turned from red to yellow. Now you're lucky to see them go through even a yellow signal ever.If trains adhered to 120 second headways, they would encounter only green aspects except for the yellow/red signal within the station. There is great variability in how T/O's operate their trains with respect to cruising speed, braking and acceleration rates. It's this variability that reduces service levels. There are inexpensive ways to reduce such variability short of CBTC, ATO or building the SAS to live with the reduced service levels. |
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