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The World Road Association aims to develop international cooperation and promote progress in the fields of road and road transport

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Term of the Road Dictionary


  • Language : PIARC Road Dictionary / English
  • Theme : Roads Design Components of the Road
  • Definition : Part of the road or highway constructed for vehicular use. Notes: 1. Reserved lanes, lay-bys and passing places are included. 2. In Australia and the United States, the carriageway is defined as the traffic lanes and the shoulder.
  • Synonyms : roadway (US)