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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

ring road

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Types of Road
  • Definition : Highway around an urban area to enable traffic to avoid a town centre. Note: in the United Kingdom, the term can refer to a highway through an urban area and may be known as ''inner ring road''.
  • Synonyms : belt highway (US) / beltway (US)


  • Language : PIARC Road Dictionary / German
  • Theme : Straßen Straßenarten
  • Definition : Straße, die einen vollständigen Ring um ein städtisches Gebiet bildet. Besteht dieser Ring aus Autobahnen, wird er Autobahnring genannt. Liegt der Ring innerhalb der Ortslage, wird er auch als Innerer Ring bezeichnet.
  • Synonyms : Autobahnring

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