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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

separation layer

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Design Pavements
  • Definition : Layer of material designed to prevent the ascent of water or fines from a lower layer.

Trennschicht

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Entwurf Fahrbahnbefestigungen
  • Definition : Lage aus Material, das zur Verhinderung von aufsteigendem Wasser oder Feinmaterial aus einer tiefer liegenden Lage vorgesehen wird.