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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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Technical Reports Environment

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

  • Review of the growth and development of recycling in pavement construction

    This report presents an overview of the use of recycling techniques in pavement construction in many countries. It highlights the barriers to recycling and describes systems and approaches that assist in overcoming these barriers. The incentives that are discussed are related to client awareness, appropriate technology, the benefits of recycling from an environmental and economic point of view and the implementation of regulatory and legislative measures. The report contains an appendix including [...]

  • Road tunnels: a guide to optimising the air quality impact upon the environment

    Air quality has become a topic of concern in the planning, design and operation process of road tunnels. This is a state-of-the-art report on the knowledge and regulations in the field of road traffic impact on air quality. It also provides a detailed description of air quality optimization at tunnel portals, pollution dispersion from air tunnels, chimneys and openings. A diagnosis is made on the type and performance of the various measures and technologies to reduce the level of pollutant emissions [...]

  • CD-ROUTE

    Minimum Equipment Required CD-ROUTE can be used on PC (386 at least, Windows 3.1, 95 & NT) and Macintosh® (68020 at least), Power Mac®, Mac OS version 7. Minimum equipment required: 16 Mo RAM, a hard disk and a 14'' colour screen (256 colours or more). The program is very easy to install. For more details on CD-ROUTE: AIPCR/PIARC Tel : +33 1 47 96 81 21 Fax : +33 1 49 00 02 02 E-mail : info@piarc.org

  • How to apply the concepts of sustainable development to transport?

    This report has been produced by Technical Committee C2.1. Sustainable Development and Road Transport and provides an analysis of "How to apply the concepts of Sustainable Development to Transport?" from the approaches implemented in a few cases - either policies, programmes or projects. These cases were considered to be illustrative, relevant or even exemplary in this regard and which could show both what can be achieved and also what can lead to situations of deadlock. This analysis of concrete [...]

  • Modelling Road User and Environmental Effects in HDM-4

    This document is the seventh volume in the series of seven volumes of HDM-4 documentation. It covers modelling road user and environmental effects (RUEE). The report presents an overview of how they are introduced in studies and describes representative vehicles. The second section deals with road user effects. It provides details on the various components of these effects: Forces opposing motion; Free speeds; Effects of volume on traffic flow; Fuel consumption; Tyre consumption; Maintenance [...]