The World Road Association-PIARC was established in 1909. It brings together the road administrations of 122 governments and has members--individuals, companies, authorities and organizations--in over 140 countries.

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Road Safety Manual

Road Safety Manual - World Road Association

The new Road Safety Manual (RSM) is designed to help countries at every stage of infrastructure development to fulfil road safety objectives. It includes new thinking on road safety and offers a clear argument on why adopting a Safe System approach is crucial for your country.

Manual accessed free of charge at roadsafety.piarc.org (currently in English only, French and Spanish versions to follow).

RNO & ITS Manual

RNO/ITS Manual - World Road Association

This electronic manual on RNO & ITS is a comprehensive, regularly updated handbook helping practitioners to alleviate road congestion. Road Network Operations (RNO) concern methods that contribute to safer and more efficient travel for road users. Intelligent Transport Systems (ITS) concern a wide range of services that use information and communications technology that can improve transportation and mobility.

Manual accessed free of charge at rno-its.piarc.org (currently in English only, French and Spanish versions to follow)

Road Tunnels Manual

Road Tunnels Manual - World Road Association

The Road Tunnels Manual focuses exclusively on the aspects linked to the use of road tunnels (geometry, tunnel equipment and maintenance, operations, safety, environment). It does not cover the civil engineering of tunnels (geology, geotechnics, retaining structure, surfacing, waterproofing, drainage, etc.) This updated version of the Manual is already available in English, French and Spanish. More language versions will be included gradually.

Manual accessed free of charge at tunnelsmanual.piarc.org

Latest Publications

United Nations Decade of action

United Nations Decade of action - World Road Association

On 11 May 2011, the UN General Assembly adopted resolution A/RES/64/255 with the goal of improving road safety.

This text was followed by a presentation by the Secretary General of the United Nations, Mr. Baan Ki-Moon, of the Global Plan of Action for the Decade for Road Safety 2011-2020.