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            Guidance Regarding the Appropriate Process for the Inspection of Highway-Rail Grade Crossing Warning System Pre-emption Interconnection with Highway Traffic Signals
      

      
  Document Series
              Technical Bulletins


      
  Author
          Office Of Railroad Safety


      
Bulletin Number
              S-12-01

  Discipline
              Signal and Train Control


      Subject
                    Signal and Train Control


      
  Keywords
              S-12-01; Pre-emption Interconnections; Grade Crossing Warning System


      

      
      
              
                  
      
              
  Document
              Technical Bulletin S-12-01 Pre-emption Inspections.pdf (251.02 KB)

      
              
      
            
      
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              Effective Date: Monday, June 25, 2012 U.S. DEPARTMENT OF TRANSPORTATION

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