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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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  5. Technical Reports

Technical Reports Road tunnel operations

This page lists technical reports of PIARC in the field of Road tunnel operations. These publications are classified chronologically.

  • Road Safety in Tunnels

    Since 1992 the PIARC Technical Committee on Road Tunnel Operation (C5) (Working Group on Traffic and Geometry) has started a world-wide survey in order to update the data on road safety. In addition to the global information on road safety, the various members of the Group have been requested to produce special studies on various structures, to allow the detailed analysis of problems related to breakdowns, accidents and fires and to draw more valuable information on design and operation of tunnels [...]

  • Road Tunnels: reduction of Operating Costs

    The purpose of the report is to identify the main operational cost factors for road tunnels and to show, with examples and recommendations, how such costs could be reduced without conflicting with an acceptable standard of operational safety. The topic "Operational Costs of Tunnels" was an agenda item of the Brussels Congress in 1987. The publication from that Congress provided an analysis of tunnel cost and the distribution of operational costs for 112 road tunnels. The Committee on Road [...]