Welcome on piarc.org!

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.

This site uses cookies to optimize its operation. They allow you to securely access your personal space and download our publications. You accept their use by clicking on the "Accept" button.

Term of the Road Dictionary

reservoir pavement

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Drainage and Sewerage
  • Definition : Pavement made up of one or more natural or processed materials that have a high porosity and in which interconnected voids allow temporary storage and partial filtering of rainwater.

wasserspeicherfähige Befestigung

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Straßenentwässerung
  • Definition : Befestigung aus einem oder mehreren natürlichen oder künstlich hergestellten Materialien, die eine Durchlässigkeit hat und in der untereinander verbundene Hohlräume eine vorübergehende Lagerung und teilweise Filterung von Regenwasser ermöglichen.