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.
The website of the Association contains a wealth of information and documents. A Site Guide has been developed to facilitate navigation of the website.
The Road Tunnels Manual is an update of the previous website tunnels.piarc.org 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 tunnelsmanual.piarc.org (currently available in English, French, Italian, Japanese and Spanish. It will soon be available in Arabic, Chinese, Korean, Portuguese and Czech)
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)
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).
Fixed Fire Fighting Systems (FFFS) have been routinely used in road tunnels in countries such as Japan and Australia for decades, and there is increased interest in the use of FFFS in parts of Europe, North America and Asia. Large fire events in road tunnels continue to show the consequences of such an event. These consequences can be to the users, the tunnel [...] Display the technical report
This report is a continuation of the one published by PIARC in 2008 on "Human Factors and road tunnel safety regarding users". It addresses two specific points raised in the conclusion of the 2008 report: "It is most important that motorists understand how to behave in tunnels, in critical situation" "In case of fire, tunnel users should be alerted by at least [...] Display the technical report
Life Cycle or Life Cycle Cost (LCC) aspects are becoming more important. From an economic point of view, it is important to consider these aspects both in the design and in the operation of tunnel equipment. This best practice report is a natural follow-up to the former report on life cycle aspects of electrical road tunnel equipment . An international survey [...] Display the technical report
Based on the answers from 18 road authorities in 16 countries this report examines the extent to which an estimation of the load bearing capacity of road bridges is made based on damage and deficiency. The report firstly examines the Codes/Directives/Manuals used for the estimation of the load carrying capacity of road bridges and what triggers the inspection [...] Display the technical report
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.