The National Model Railroad Association, or NMRA, is a non-profit organization for those involved in the hobby or business of model railroading. It was founded in the United States in 1935, and is now active in Canada, Australia, Great Britain, and the Netherlands. It was previously headquartered in Indianapolis, Indiana, and is now based in Chattanooga, Tennessee.

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  • The National Model Railroad Association, or NMRA, is a non-profit organization for those involved in the hobby or business of model railroading. It was founded in the United States in 1935, and is now active in Canada, Australia, Great Britain, and the Netherlands. It was previously headquartered in Indianapolis, Indiana, and is now based in Chattanooga, Tennessee. The best-known activity of the NMRA is the defining of standards, and advisory documents known as Recommended Practices (RP), for model railroad equipment. Many standards defined by the NMRA are widely followed by the industry and modellers, including their HO scale track and wheel standards (S-3, S-4) and related RPs (RP2, 8, 10-15, and 25) and their Digital Command Control (DCC) standard set (S-9.1, S-9.2, and RP9.1.1 through RP9.3.2). The RP25 wheel design in particular has been critical in ensuring the reliability and interoperability of US-prototype model railroad equipment, since practically every manufacturer of such equipment uses wheels conforming to the RP. This is in marked contrast to the British market, in which there is no accepted standard among manufacturers. In Europe, the NEM standard is widely followed, but this is generally further away from prototype accuracy than NMRA standards, and the NEM wheel design is particularly so. This results in interoperability restrictions between European and American wheels and trackwork. The NMRA also considers the education of model railroaders and encouraging learning and improving modelers' skills to be part of its mission. The NMRA runs an achievement program to encourage these skills, and runs modeling contests. Most notably these include the Master Model Railroader certification program and the Golden Spike award. Both programs involve the demonstration and/or judging of proficiency in one or more model railroading skill areas. These areas include Railroad Equipment, Railroad Setting, Railroad Construction & Operation, Service to the Hobby & NMRA Member. A full explanation of each program along with applications can be found on the NMRA website. Promotion of the model railroading hobby is also part of the NMRA's purpose. The NMRA is home of the A.C. Kalmbach Memorial Library, which houses railroad-related books and videos, was recently designated as the official railroad library of the state of Tennessee. The library is adjacent to the Norfolk Southern Railway Georgia Division and the Tennessee Valley Railroad Museum. It is named for Al C. Kalmbach, founder of Kalmbach Publishing, whose original magazines are Model Railroader and Trains.
  • Die National Model Railroad Association (NMRA), ist der Nationale Dachverband der Modellbahner in den USA. Sie reglementiert und normt die Modellbahnen in den USA. Ihren Hauptsitz hat die NMRA in Chattanooga (Tennessee).
  • La National Model Railroad Association (Fédération Nationale de Modélisme Ferroviaire), ou NMRA, est une association américaine travaillant pour le développement et la promotion du modélisme ferroviaire et des industries qui lui sont liées. Fondée en 1935 aux États-Unis, elle est également présente au Canada, en Australie, au Royaume-Uni et aux Pays Bas. Son siège est à Chattanooga dans l'état du Tennessee.
  • 全米鉄道模型協会（ぜんべいてつどうもけいきょうかい）またはNMRA,は米国の鉄道模型の非営利団体である。1935年に米国で設立され、現在では米国のみならず、カナダ、オーストラリア、英国、オランダ等まで広がる。 かつてインディアナ州のインディアナポリスに本部があった。現在はテネシー州のチャタヌーガに本部がある。 もっとも良く知られるNMRAの活動は規格制定である。多くの規格がNMRAによって制定された事により、異なる製造業者間の製品において互換性を確保する事が出来るようになった。当初は車輪や線路、連結器の規格制定から始まったが、現在ではDCCの規格制定等、多岐にわたる。 規格制定のみならず、愛好家の裾野を広げる為の活動も積極的に行っている。
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  • 1935 (xsd:integer)
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dbpprop:headquarters
dbpprop:keyPeople
  • Brent Lambert (current library director)
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  • Michael C. Brestel
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  • President
dbpprop:location
  • 4121 Cromwell Road
    Chattanooga, TN 37421
dbpprop:membership
  • 20,000+
dbpprop:name
  • National Model Railroad Association
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  • 6 (2 in library, 4 in the office)
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  • 99px
dbpprop:type
  • model railroading
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  • The National Model Railroad Association, or NMRA, is a non-profit organization for those involved in the hobby or business of model railroading. It was founded in the United States in 1935, and is now active in Canada, Australia, Great Britain, and the Netherlands. It was previously headquartered in Indianapolis, Indiana, and is now based in Chattanooga, Tennessee.
  • Die National Model Railroad Association (NMRA), ist der Nationale Dachverband der Modellbahner in den USA. Sie reglementiert und normt die Modellbahnen in den USA. Ihren Hauptsitz hat die NMRA in Chattanooga (Tennessee).
  • La National Model Railroad Association (Fédération Nationale de Modélisme Ferroviaire), ou NMRA, est une association américaine travaillant pour le développement et la promotion du modélisme ferroviaire et des industries qui lui sont liées. Fondée en 1935 aux États-Unis, elle est également présente au Canada, en Australie, au Royaume-Uni et aux Pays Bas. Son siège est à Chattanooga dans l'état du Tennessee.
rdfs:label
  • National Model Railroad Association
  • National Model Railroad Association
  • National Model Railroad Association
  • 全米鉄道模型協会
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