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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

flat-top road hump

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Road Equipment Accessories
  • Definition : Traffic calming device designed as a raised area spanning the width of the carriageway, commonly trapezoidal in shape with a flat section in the middle that is long enough for the entire wheelbase of a passenger car to rest on top.
  • Synonyms : flat-top speed hump

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