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AAR stands for the Association of American Railroads. AAR members include the major freight railroads in the United States, Canada and Mexico, as well as Amtrak and several short line holding companies. AAR’s commitment is to keep the railroads of North America safe, fast, efficient, clean, technologically advanced, and secure. To ensure North American freight railroads remain the best, AAR work closely with lawmakers and regulators. The AAR is also very much involved in programs to improve the ...
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