On 05.01.18 2:29, Clark F Morris wrote:   
   > On Wed, 3 Jan 2018 10:55:30 -0800 (PST), hancock4@bbs.cpcn.com wrote:   
   >   
   >> On Wednesday, January 3, 2018 at 7:43:25 AM UTC-5, houn...@yahoo.co.uk   
   wrote:   
   >>   
   >>> Does SIRT use cab signals, BTW?   
   >>   
   >> I don't believe so.  I'm not sure the signals even have trip stops.   
      
   I don't recall seeing trip stops at any point. I have only ever seen   
   smaller, PRR-type signals in a protective covering.   
      
   >   
   > According to Wikipedia, the cars have cab signals (probably B&O style   
   > which I think was intermittent unlike PRR which was continuous).   
      
   Are there any pictures of cab signal displays either on the R-44s or on   
   B&O trains? How many aspects do they have?   
      
   > See   
   > https://en.wikipedia.org/wiki/Staten_Island_Railway#Passenger.  This   
   > is an FRA approved Automatic Train Control system.  This is the source   
   > used by Wikipedia http://www.transitresources.net/hts_sir2012.pdf.   
   >   
      
   I had heard that the MTA was considering the use of M1s on SIRT to   
   replace the older B&O rolling stock. Was that true?   
      
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