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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 | retroreflection

Term of the Road Dictionary

retroreflection

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Road Equipment Road Lighting
  • Definition : Reflection in which radiation is returned in directions close to the opposite of the direction from which it came, this property being maintained over wide variations of the directions of the incident rays [CEN].

Retroreflexion

  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Straßenausstattung Straßenbeleuchtung
  • Definition : Reflexion, bei der das Licht wieder in die Richtung zurückgestrahlt wird, aus der es kommt, und dies über einen großen Bereich der Lichtrichtungen.

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