Rail and Surface Transportation

  American Association of Railroads (AAR)
  American Association of Railroads’ Transportation Technology Center
  Cyberspace World Railroad
  Federal Railroad Administration, U.S. Department of Transportation
  Gage Restraint Measurement System (GRMS) - Federal Railroad Administration and Volpe National Transportation Systems Center
  Institute of Railway Studies, University of York, United Kingdom
  Intelligent Transportation Society of America (ITS America)
  Intelligent Transportation systems Joint Program, U.S. Department of Transportation
  Intelligent Transportation Systems (ITS) Online
  Interchange Yard
  Mercurio—European Railway Server
  Railway Exchange
  Railroad Related Internet Resources
  Railway Technical Research Institute (RTRI), Japan
  Transport News: Rail

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