The World Road Association-PIARC was established in 1909. It brings together the road administrations of 121 governments and has members--individuals, companies, authorities and organizations in over 140 countries.



Gdańsk 2018: call for abstracts open!

Call for abstracts Gdańsk 2018 - World Road Association

The World Road Association organizes jointly with GDKKiA, the Polish General Directorate for National Roads and Motorways, the XVth International Winter Road Congress. It will take place in Gdańsk (Poland) from 20 to 23 February 2018.

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 (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 (currently in English only, French and Spanish versions to follow)

Road Tunnels Manual

Road Tunnels Manual - World Road Association

The Road Tunnels Manual is an update of the previous website and reproduces all previous contents. The Manual covers the aspects related to the use of road tunnels, i.e. geometry, tunnel equipment and related maintenance, operation, safety, and environment. It includes all reports and articles produced by the Technical Committee on Road Tunnels Operations since 1995.

Manual accessed free of charge at (currently available in English, French, Italian, Japanese and Spanish. It will soon be available in Arabic, Chinese, Korean, Portuguese and Czech)

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.