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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Term of the Road Dictionary

deterrence function

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Traffic Traffic Engineering
  • Definition : Probability function used in traffic distribution modelling to describe the probability of a trip taking place between a pair of zones at a given measure of separation between them.

Widerstandsfunktion

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Verkehr Verkehrstechnik
  • Definition : Modell für die Verkehrsverteilung, bei dem in Abhängigkeit der Entfernung zweier Verkehrsgebiete sowie sonstiger Einflüsse Widerstände definiert werden.

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