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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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All PIARC Publications

There are 88 results for your search

  • State of the Art in Monitoring Road Condition and Road / Vehicle Interaction - Technical Report

    This report is a follow-up on the report "State of the art in monitoring road condition" which was finalised in 2015 (PIARC reference 2016R17EN). The 2015 report summarises the then current state of the art regarding the collection of road condition and road/vehicle interaction data, providing an overview [...]

    • Date : 2019
    • Pages : 73
    • PIARC Ref. : 2019R14EN
    • ISBN : 978-84060-530-0
  • Contribution to the improvement of the general guidelines for the development, construction / reconstruction, rehabilitation and maintenance of the Trans-African Highway network - (Annex II) (only in French) - Technical Report

    This report is a review, for the purpose of improvement, of Annex II entitled "General Guidelines for the Planning, Construction/Reconstruction, Rehabilitation and Maintenance of the Transfrician Highway Network" of the African Union Intergovernmental Agreement for the Harmonization of Norms and Standards [...]

    • Date : 2019
    • PIARC Ref. : 2019R06EN
  • Review of the Practical Guide to Pavement Design for Tropical Countries (in French only) - Technical Report

    The Practical Guide to Pavement Design for Tropical Countries, published in 1984 by CEBTP, is still a document to which reference is often made in French-speaking African countries. Over the past thirty-five years, major developments have taken place in the pavement sector, particularly in the formulation [...]

    • Date : 2019
    • PIARC Ref. : 2019R01EN
  • Expected service life of wearing courses

    As part of its 2012 to 2015 strategic plan the World Road Association (PIARC) determined the need to identify and review approaches taken in assessing the service life of wearing courses. This report reviews the different approaches taken by road authorities to determine the service life of wearing [...]

    • Date : 2016
    • Pages : 20
    • PIARC Ref. : 2016R18EN
    • ISBN : 978-2-84060-403-7
  • State of the art in monitoring road condition and road/vehicle interaction

    This report summarises the current state of the art regarding the collection of road condition and road/vehicle interaction data, providing an overview of current practice and emerging technologies. Technologies in the development and experimental stages are generally not discussed. The document is [...]

    • Date : 2016
    • Pages : 77
    • PIARC Ref. : 2016R17EN
    • ISBN : 978-2-84060-402-0
  • Monitoring of innovation in road pavements

    This report examines road administrations and agencies policies for fostering, assessing and implementing innovation in road design and construction. From an international survey, eight types of innovation policies were identified: adaptation of existing specifications; agency led innovation, special [...]

    • Date : 2013
    • Pages : 81
    • PIARC Ref. : 2013R09EN
    • ISBN : 978-2-84060-325-2
  • Maintenance methods and strategies

    This report presents the results of the answers from 16 countries to a survey regarding improved maintenance methods for flexible and semi-rigid pavements and the maintenance strategies. Regarding improved maintenance methods, the variations in the answers were found to be large. It also became clear [...]

    • Date : 2013
    • Pages : 61
    • PIARC Ref. : 2013R08EN
    • ISBN : 978-2-84060-323-8
  • Guide for maintenance of concrete roads

    The report firstly examines the different types of degradations of concrete pavements distinguishing those which are specific to jointed plain concrete pavements and those which relate to continuously reinforced concrete pavements. For each type of degradation, status indicator, status assessment, causes [...]

    • Date : 2013
    • Pages : 76
    • PIARC Ref. : 2013R06EN
    • ISBN : 978-2-84060-317-7
  • Innovative approaches towards the use of locally available natural marginal materials

    The utilization of materials locally available on the site of a road project is a major concern in the context of sustainable development and perfectly meets the socioeconomic and environmental criteria involved in it. The report is based on the answers received from twenty-two countries. Five different [...]

    • Date : 2013
    • Pages : 176
    • PIARC Ref. : 2012R37EN
    • ISBN : 978-2-84060-307-8
  • Vulnerability of Geotechnical Infrastructure to Climate Change and Adjustment Measures According to the Geographical Context

    The report identifies foreseeable damage and the measures to be taken in a geographical context where climatology and geomorphology are aggregated. Five climate trends are covered: increase of average temperatures; decrease of average precipitation; increase of winter precipitation; increased intensity [...]

    • Date : 2012
    • PIARC Ref. : 2012R04EN
  • Reduction of construction time and cost of road pavements

    Road authorities who want to build, rehabilitate or repair pavements wish, for many reasons, to do this in the shortest possible time and at the lowest cost. However construction time and costs are often conflicting parameters. Hence the issue of reducing construction time and costs, without affecting [...]

    • Date : 2012
    • Pages : 100
    • PIARC Ref. : 2012R09EN
    • ISBN : 978-2-84060-253-9
  • Dealing with the effects of climate change on road pavements

    Climate change can have a direct impact on the performance of our transportation infrastructure. The purpose of the report is to sensitize the road sector to the likely impacts of climate change on road pavements and to provide guidance on how to go about: -Assessing the vulnerability of road pavements [...]

    • Date : 2012
    • Pages : 146
    • PIARC Ref. : 2012R06EN
    • ISBN : 2-84060-247-4
  • Evaluating the performance of automated pavement cracking measurement equipment

    Crack type, severity and extent are among the most important data of a pavement management system. This report prepared by Technical Committee 4.2 Road/Vehicle Interactions of the World Road Association presents: A series of objective rules to measure and classify cracks in order to improve the [...]

    • Date : 2012
    • Pages : 28
    • PIARC Ref. : 2012R10EN
    • ISBN : 2-84060-251-2
  • Anticipating the impact of climate change on road earthworks

    Climate change and its consequences are one of the main preoccupations of the beginning of the 21 st century. The first part of the report presents, as an example, regional scenarios of the climate evolution for Quebec and Switzerland. The second part focuses on water: lack or excess of water and its [...]

    • Date : 2008
    • Pages : 69
    • PIARC Ref. : 2008R12EN
    • ISBN : 2-84060-212-1
  • Evaluating the performance of automated pavement cracking measurement equipment

    Crack type, severity and extent are among the most important data used to identify maintenance and repair actions. The use of automated crack measurement systems is increasing although performance tests of these devices are only conducted infrequently, and these are very often incomplete and non-uniform. [...]

    • Date : 2008
    • Pages : 59
    • PIARC Ref. : 2008R14EN
    • ISBN : 2-84060-214-8
  • 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, [...]

    • Date : 2008
    • Pages : 203
    • PIARC Ref. : 2008R05EN
    • ISBN : 2-84060-205-9
  • Indicators representative of the condition of geotechnical structures for road asset management

    The management of geotechnical assets of road infrastructure is a subject that is rarely investigated. The variability and the difficulty to predict long-term performances pose a challenge for planning maintenance. The report provides an overview of the state of practice. After a description of the [...]

    • Date : 2008
    • Pages : 173
    • PIARC Ref. : 2008R01EN
    • ISBN : 2-84060-201-6
  • Promoting optimal use of local materials

    This document aims to: • identify the progress made over the last decade with respect to soil and/or rock treatments in the area of road earthworks, and more specifically since the publication of PIARC's 1997 report: "Equipment and Methods Specific to Soil Treatment Work"; • look at developments [...]

    • Date : 2007
    • Pages : 83
    • PIARC Ref. : 2007R09EN
    • ISBN : 2-84060-196-6
  • 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. [...]

    • Date : 2000
    • PIARC Ref. : CD-ROUTEEN
  • Modelling Road Deterioration and Works Effects in HDM-4

    This document is the sixth volume in the series of seven volumes of HDM-4 documentation. It gives a detailed description of the road deterioration and works effects (RDWE) models currently in HDM-4 and provides some background to their development, particularly from HDM-III to HDM-4. Also included are [...]

    • Date : 2004
    • Pages : 296
    • PIARC Ref. : HDM4-Volume6EN
    • ISBN : 2-84060-103-6
  • 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 [...]

    • Date : 2004
    • Pages : 412
    • PIARC Ref. : HDM4-Volume7EN
    • ISBN : 2-84060-103-6
  • Impacts of road construction and maintenance activities on road users and the adjacent land use

    This technical report synthesizes information on techniques to reduce the impact of road construction, rehabilitation and maintenance activities on road users (driving public and construction workers) and the adjacent land use (homeowners, businesses, etc.). The study included a survey to collect [...]

    • Date : 2007
    • Pages : 133
    • PIARC Ref. : 2007R05EN
    • ISBN : 2-84060-194-X
  • A Fact Finding Review of Performance Specifications in 2002

    This document is an awareness-raising review of the current state of the art for performance specifications. It provides insight into three important areas of performance specification and presents the responses to an international questionnaire on the subject. The three important areas of discussion [...]

    • Date : 2003
    • Pages : 48
    • PIARC Ref. : 78.01.BEN
    • ISBN : 2-84060-152-4
  • Achieving and Maintaining the Evenness of Concrete Pavements

    Whereas concrete pavements have well-known advantages (long life, resistance to permanent deformations, etc.) over flexible pavements, the main disadvantages often mentioned are a certain lack of comfort as a result of neglected surface evenness, and a high level of rolling noise. Developments in construction [...]

    • Date : 1991
    • Pages : 48
    • PIARC Ref. : 07.03.BEN
  • Airfield Pavements

    This document presents the proceedings of a Workshop organized in Montreal in September 1995 by the PIARC Technical Committees on Surface Characteristics (C1), Concrete Roads (C7) and Flexible Roads (C8). The proceedings include future demands on airfield pavements, show similarities and differences [...]

    • Date : 1996
    • Pages : 344
    • PIARC Ref. : 07.07.BEN
    • ISBN : 2-84060-042-0