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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

traffic distribution study

Language : PIARC Road Dictionary / English
Theme : Operations Traffic Traffic Engineering
Definition : Second step in a traffic forecast study, which corresponds to the computation of intrazonal transfers and movements between all pairs of zones. Note: often these transfers are calculated using a so-called ''gravity model''.

Verkehrsverteilung

Language : PIARC Road Dictionary / German
Theme : Betrieb Verkehr Verkehrstechnik
Definition : Ermittlung der Fahrtenströme zwischen Zielen und Quellen durch Verteilung des Quell- und Zielverkehrs auf Ziel- und Quellbezirke unter Berücksichtigung ihrer Lage zueinander.