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   RAILFAN      Trains, model railroading hobby      3,261 messages   

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   Message 2,051 of 3,261   
   Stephen Sprunk to Joseph D. Korman   
   Re: RE green over red.   
   09 Jan 16 17:02:44   
   
   From: stephen@sprunk.org   
      
   On 08-Jan-16 11:46, Joseph D. Korman wrote:   
   >>> Stephen Sprunk  wrote:   
   >>>> Sounds like this is coming west from Expo/Bundy Station; the yard   
   >>>> is on the left after the line returns to grade, but according to   
   >>>> the FEIR, the two mains are on the far right and the only siding (a   
   >>>> yard lead, plus the yard itself) is on the left.  I don't see   
   >>>> anything in the plans that would indicate a crossover or other   
   >>>> interlocking involvement on the right track, but since the left   
   >>>> track does and thus needs a two-headed signal, they may have given   
   >>>> the right the same for consistency.   
   >   
   > On the NY subway BMT-IND and new IRT signals, there would be a bottom   
   > head that only displays green or red.  This is an interlocking signal   
   > protecting a training point switch, so the only valid aspects are G-G,   
   > Y-G or R-R.   
      
   In the case above, there is apparently _no_ switch on this track,   
   trailing point or otherwise.   
      
   S   
      
   --   
   Stephen Sprunk         "God does not play dice."  --Albert Einstein   
   CCIE #3723         "God is an inveterate gambler, and He throws the   
   K5SSS        dice at every possible opportunity." --Stephen Hawking   
      
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