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

FN curve

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Road Safety
  • Definition : Typical representation of societal risk as a graph with the ordinate representing the cumulative frequency distribution of N or more units of consequence (e.g. fatalities) and the abscissa representing the corresponding consequence.

Wahrscheinlichkeitsausmaßdiagramm

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Straßenverkehrssicherheit
  • Definition : Grafische Darstellung des kollektiven Risikos, in der auf der Ordinatenachse die kumulierte Häufigkeit von N oder mehr Unfallereignissen (zB. Todesfälle) dem zu erwartenden, damit verbundenen Ausmaß auf der Abszissenachse gegenübergestellt wird.