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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

rut depth

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Road Surface Characteristics
  • Definition : Maximum perpendicular distance between the bottom surface of a straightedge and the contact area of the gauge with the road surface at a specified location, usually measured in the wheel tracks.

Spurrinnentiefe

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Fahrbahneigenschaften
  • Definition : Der maximale senkrechte Abstand zwischen der Unterkante einer Richtlatte und der Kontaktfläche eines Maßstabs mit der Fahrbahnoberfläche an einer bestimmten Stelle, üblicherweise in den Radspuren gemessen.

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