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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

floating tunnel

  • Language : PIARC Road Dictionary / English
  • Theme : Structures Tunnels
  • Definition : Tunnel used in lakes and waterways to carry traffic under water. Note: the tunnel takes the form of a tube-like structure in steel or concrete, made to float through buoyancy and supported on columns or held in place by anchorage to the bottom or suspension from pontoons.

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