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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

speed cushion

  • Language : PIARC Road Dictionary / English
  • Theme : Roads Road Equipment Accessories
  • Definition : Traffic calming device designed as a raised area positioned in the carriageway, narrow enough to enable cyclists to pass aside and buses and emergency vehicles to straddle the device without touching it, yet wide enough to force cars to ride over it with at least one set of wheels.

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