- Association of American Railroads
The Association of American Railroads is an industry trade group representing primarily the major freight railroads of
North America (Canada ,Mexico and theUnited States ).Amtrak and some regional commuter railroads are also members. Smaller freight railroads are represented by theAmerican Short Line and Regional Railroad Association (ASLRRA).Creation
AAR was created
October 12 ,1934 by the merger of five industry-related groups:
* theAmerican Railway Association ,
* theAssociation of Railway Executives ,
* theBureau of Railroad Economics ,
* theRailway Accounting Officers Association , and
* theRailway Treasury Officers Association .Facilities
The AAR is headquartered in Washington, DC. Its information technology subsidiary,
Railinc , is based inCary, North Carolina . Another subsidiary, theTransportation Technology Center , Inc. (TTCI), operates and maintains the Transportation Technology Center, a 52 square mile facility convert|21|mi|km northeast ofPueblo, Colorado , that is owned by theUnited States Department of Transportation . The facility is under a care, custody and control contract with theFederal Railroad Administration . TTCI has an array of specialized testing facilities and tracks. The site enables testing of freight and passenger rolling stock, vehicle and track components, and safety devices. [cite web| url=http://www.aar.com| title=Transportation Technology Center| accessdate=2007-04-19| ]Functions
The AAR represents its members' interests to the public at large and to Congress and government regulators in particular. The AAR works to improve the efficiency, safety and service of the railroad industry, such as through its responsibility for the industry's interchange rules and equipment specifications, e.g. for locomotive multiple unit control [ [http://www.railway-technical.com/us-musp.shtml US Loco MU Control ] ] .
One of the AAR's duties is to oversee the assignment of
reporting mark s – two to four letter codes that uniquely identify the owner of any piece of railroadrolling stock orintermodal freight transport equipment (trailers,semi-trailer s, containers, etc.) that can be carried on a railroad.Personnel
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