From: gl4317@yahoo.com   
      
   In article ,   
    Larry Sheldon  wrote:   
      
   > On 5/13/2015 16:23, Larry Sheldon wrote:   
      
   > > Wife said WaPo said the train had been traveling at 100 MPH--about twice   
   > > the post speed limit.   
   > >   
   > > I have just gotten on-line again--have not checked it out.   
   >   
   > Seems to correct.   
   >   
   > How can that be?   
      
      
   According to a series of posts here back when a similar Metro-North   
   derailment happened, there are apparently no "posted" speeds on the NEC.   
   The crew is expected to know the speed restrictions and that is that.   
      
   I've been on a few cab rides. The alternating tie and ballast colors   
   create a high speed strobe light effect that over time I found to be   
   really disorienting. There may be some physiological impacts of this   
   that should be researched.   
      
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