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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

desire line

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Traffic Traffic Engineering
  • Definition : Line joining the centroids of two traffic zones, the width being proportional to the forecast traffic flow between the two zones.

Wunschlinie

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Verkehr Verkehrstechnik
  • Definition : Verbindungslinie zwischen den Zentren zweier Verkehrsbezirke, wobei die Dicke der Linie proportional zur prognostizierten Verkehrsstärke ist.
  • Synonyms : Verkehrsstromlinie