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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

soil

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Materials Soils and Aggregates
  • Definition : Any naturally occurring loose or soft deposit resulting from weathering or breakdown of rock formations or from decay of organic matter.

Boden

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Baustoffe Erdreich und Gesteinskörnung
  • Definition : Eine natürlich vorkommende lose oder weiche Ablagerung, die durch Verwitterung oder Abbruch von Felsformationen oder durch Zerfall organischer Materie entstanden ist.

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