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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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  4. Road Tunnels: Emissions, Environment, Ventilation

Road Tunnels: Emissions, Environment, Ventilation

Due to a steady tightening of emission laws for cars and changes in the risk assessment of a tunnel fire, some design data need constant updating. The Report of the PIARC Committee on Road Tunnels to the XXth World Road Congress, 1995 (20.05.B) reviews the art of tunnel ventilation over the last 15 years.

In the present publication new design information and some references are given for dimensioning a longitudinal and a semi-transversal ventilation system.

Information sheet

  • Date: 1996
  • Author(s): Comité technique 5 Tunnels routiers / Technical Committee 5 Road Tunnels
  • Domain(s): Environment / Road Tunnel Operations / General
  • Type: Bilingual English - French, published in 1996
  • PIARC Ref.: 05.02.BEN
  • ISBN: 2-84060-034-X
  • Number of pages: 64