From: r.m.ellsworth@att.net   
      
   On Thursday, August 28, 2014 7:48:20 AM UTC-5, conklin wrote:   
      
   > "The MTA's troubled Metro-North Railroad will install track-monitoring     
   > equipment on regular passenger trains to identify rail defects that pose a     
   > risk of derailment"   
      
   > Oil trains need the same thing.   
      
   Actually, the trains *before* oil trains need them...  ;-}   
      
      
   Here is a link about autonomous track-geometry measurement systems from FRA:   
      
   http://www.fra.dot.gov/Elib/Document/430   
      
   And here is ENSCO's description of their instantiation of the technology:   
      
   http://www.google.com/url?sa=t&rct=j&q=&esrc=s&source=web&cd=1&c   
   d=rja&uact=8&ved=0CCgQFjAA&url=http%3A%2F%2Fwww.ensco.com%2Fuser   
   iles%2Ffile%2FProducts_Services_PDF%2F07_Rail%2F13.0040-Autonomo   
   s-Track-Geometry-Measurement-System-ENSCO-Rail.pdf&ei=   
   DXAyVLLtLMel8QGa3YHIDg&usg=AFQjCNG4ocyBJlHxoJLKVsf6PwJL2k3atw&si   
   2=oCTGRKPxPYvqmHS1GpWGug   
      
   (Sorry about the wocky Google URL; I didn't have time to edit it down and test   
   ...)   
      
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