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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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  4. Term of the Dictionary | rime frost

Term of the Road Dictionary

rime frost

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Winter Serviceability
  • Definition : White or milky and opaque granular deposit of ice formed by the rapid freezing of supercooled or non-supercooled water droplets (fog, mist) as they come into the contact with a surface at a temperature below or close to 0 °C.
  • Synonyms : rime ice

Reifglätte

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Befahrbarkeit im Winter
  • Definition : Durch Gefrieren von Luftfeuchtigkeit auf einer Verkehrsfläche entstandene Glätte.
  • Synonyms : Raueis (CH)

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