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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 | peak hour factor

Term of the Road Dictionary

peak hour factor

  • Language : PIARC Road Dictionary / English
  • Theme : Operations Traffic Traffic Engineering
  • Definition : Measure of the traffic variation during the peak hour, computed as the traffic flow during the whole peak hour divided by the maximum 15-min flow rate within the same hour [NVF-ITS].
  • Abbreviation : PHF

Spitzenstundenfaktor

  • Language : PIARC Road Dictionary / German
  • Theme : Betrieb Verkehr Verkehrstechnik
  • Definition : Verhältnis zwischen Belastung der Spitzenstunde und der der stärksten Viertelstunde zur Kennzeichnung der Gleichmäßigkeit des Verkehrs in der Spitzenstunde. (Begriff im Deutschen nicht üblich)