PIARC Online Manuals

PIARC has published four interactive electronic Manuals, which are available online free of charge. They cover the area of Road Safety, Road Network Operations/ITS, Road Tunnels, and Road Asset Management respectively. The Manuals are based on the overall PIARC experience and know-how and offer a detailed overview on the various topics and practical recommendations.

  1. Road Asset Management Manual
  2. Road Safety Manual
  3. RNO & ITS Manual
  4. Road Tunnels Manual
  5. Earthworks Manual

Road Asset Management Manual

Road Asset Management Manual - World Road Association

This new manual of the World Road Association (PIARC) aims to help the various countries, regardless of their development stage, in maintaining their road infrastructure and implementing road asset management strategies.

The Manual is available free of charge on road-asset.piarc.org (currently available in English only, French and Spanish versions to follow). 

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

Archive 2003 - Road Safety Manual

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 and Spanish, French version will soon be available)

Road Tunnels Manual

Road Tunnels Manual - World Road Association

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 tunnels.piarc.org (in English, French, Italian, Japanese, Spanish, Arabic, Chinese, Korean, Portuguese and Czech)

Earthworks Manual

The Earthworks Manual is an important technical document for the profession and stakeholders in the field of activity.
It is eagerly awaited by the experts from many countries who have contributed to its content.

The Manual is organised in two parts:

  • Part 1: General considerations
  • Part 2: Specific technical developments

Manual accessed free of charge here.

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