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Union Tpke

Systemwide CBTC - Planning and Implementation

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@RR503 Do you know what's up with this?

New York City Transit
 
Project:    T7080329    
Description:    Upgrade 25 Hz AC Main Cable and De-Ion Switches - Design Only    
Category:    Signals & Communications    
Element:    Signal Modernization    
xxxxxxxxxx
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This project will fund design activities for a future project to upgrade alternating current (AC) main cables and de-ion switches on the Lexington Avenue Line between Wall Street Station and 96 Street Station in the borough of Manhattan to provide continue reliable operation of the automatic signals that are not modernized on the Lexington Avenue Line until the implementation of Communications Based Train Control (CBTC). Schedule dates are not available, due to project being under development.

http://web.mta.info/capitaldashboard/allframenew_head.html?PROJNUM=t7080329&PLTYPE=5&DISPLAYALL=Y

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1 hour ago, Union Tpke said:

@RR503 Do you know what's up with this?

New York City Transit
 
Project:    T7080329    
Description:    Upgrade 25 Hz AC Main Cable and De-Ion Switches - Design Only    
Category:    Signals & Communications    
Element:    Signal Modernization    
xxxxxxxxxx
...
This project will fund design activities for a future project to upgrade alternating current (AC) main cables and de-ion switches on the Lexington Avenue Line between Wall Street Station and 96 Street Station in the borough of Manhattan to provide continue reliable operation of the automatic signals that are not modernized on the Lexington Avenue Line until the implementation of Communications Based Train Control (CBTC). Schedule dates are not available, due to project being under development.

http://web.mta.info/capitaldashboard/allframenew_head.html?PROJNUM=t7080329&PLTYPE=5&DISPLAYALL=Y

This is just them upgrading the backend circuitry of Lex. The signals there variously date from the 1930s-1960s (if you look closely, there are a bunch of automatics that still have the IRT ‘middle red’ aspects) and it seems they’ve decided that whatever cabling and circuit breakers exist today have reached the end of their useful life (unsurprising).

I’m interested by the “that are not modernized” qualification in the description paragraph, I will say. That suggests that there will be automatics that are modernized (ie AWS) maybe??

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The lack of activity on this thread is reflection on the TA's effort to modernize the system.  

CBTC will be irrelevant by the time testing would begin on the Lexington Corridor. 

 

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