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

roughness

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Road Surface Characteristics
  • Definition : Irregularities produced by the size, shape and angularity of an aggregate.
  • Synonyms : rugosity / texture (US)

Rauheit

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Fahrbahneigenschaften
  • Definition : Unebenheit, die durch die Größe, das Profil und die Bruchflächigkeit von Mineralstoffen bewirkt wird.
  • Synonyms : Textur

Back to theme