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• 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
• Moving freight transport forward - Green, smart and efficient

  

  This study addresses the challenges associated with freight transportation efficiency, presenting and analysing a series of good practice examples that reveal efficient freight transportation systems. It should serve as a source of inspiration for making freight transportation more efficient from the [...]

  • Date : 2016
  • Pages : 50
  • PIARC Ref. : 2016R13EN
  • ISBN : 978-2-84060-396-2
• 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
• Assessment of budgetary needs and optimisation of maintenance strategies for multiple assets of road network

  

  Good road infrastructure is a fundamental basis on which to build a strong economy and society. As the ability to conduct proper maintenance is largely influenced by the available budget, budget definition is an important starting point in realising the overall goal. Based on a comprehensive investigation [...]

  • Date : 2016
  • Pages : 44
  • PIARC Ref. : 2016R04EN
  • ISBN : 978-2-84060-378-8
• Estimation of load carrying capacity of bridges based on damage and deficiency

  

  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 [...]

  • Date : 2016
  • Pages : 156
  • PIARC Ref. : 2016R02EN
  • ISBN : 978-2-84060-366-5
• The importance of road maintenance

  

  Road infrastructure provides a fundamental foundation to the performance of all national economies, delivering a wide range of economic and social benefits. Adequately maintaining road infrastructure is essential to preserve and enhance those benefits. The importance of maintenance needs to be recognised [...]

  • Date : 2014
  • Pages : 32
  • PIARC Ref. : 2014R02EN
  • ISBN : 978-2-84060-349-8
• Intermodal freight terminals - Challenges and good practices

  

  This report has been prepared by the Technical Committee B.4 Freight Transport and Intermodality of the World Road Association (PIARC). The report is organized in four main chapters: Chapter 1 identifies key stakeholders and describes the different types and functions of terminals which interact [...]

  • Date : 2013
  • Pages : 218
  • PIARC Ref. : 2013R05EN
  • ISBN : 978-2-84060-315-3
• 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
• Prioritisation of bridge rehabilitation works

  

  The challenge in bridge management is to ensure that all bridges in a road network remain fit for their intended purpose over their design life and beyond at minimum life cycle cost. The bridge rehabilitation prioritisation process is part of the entire road infrastructure management task and bridge [...]

  • Date : 2012
  • Pages : 58
  • PIARC Ref. : 2012R32EN
  • ISBN : 978-2-84060-300-9
• Guide to implement freight vehicle transport management

  

  This guide was prepared as an introduction to road freight transport management (RFTM) in an urban environment and to provide practical information. After a presentation of the objectives of R FTM, the report describes the different stages leading from the establishment of a partnership between the [...]

  • Date : 2012
  • Pages : 50
  • PIARC Ref. : 2012R16EN
  • ISBN : 978-2-84060-276-8
• Public sector governance over urban freight transport

  

  This guide was prepared as an introduction to road freight transport management (RFTM) in an urban environment and to provide practical information. After a presentation of the objectives of R FTM, the report describes the different stages leading from the establishment of a partnership between the [...]

  • Date : 2012
  • Pages : 150
  • PIARC Ref. : 2012R15EN
  • ISBN : 978-2-84060-274-1
• High level management indicators

  

  This report proposes a methodology for the identification of management indicators useful to road authorities for an efficient management of the road infrastructures they are in charge of. The methodology consists of four steps: the identification of the stakeholders; the analysis of the expectations [...]

  • Date : 2012
  • Pages : 59
  • PIARC Ref. : 2012R22EN
  • ISBN : 978-2-84060-288-1
• Allocation of resources across asset classes

  

  This report presents the approaches used in different countries for the allocation of resources based on road asset management and the prioritization process for maintenance expenditure across different types of assets (pavements, bridges, geotechnical structures, etc.) Answers to an international [...]

  • Date : 2012
  • Pages : 105
  • PIARC Ref. : 2012R21EN
  • ISBN : 978-2-84060-286-5
• Best practices of good governance - Institutional integrity

  

  The increasing demands of Civil Society regarding accountability and transparency lead to promote institutional integrity and to act decisively against corruption. This counts the more for the road sector which has proven to be particularly vulnerable to corruption. This report presents: - key definitions [...]

  • Date : 2012
  • Pages : 117
  • PIARC Ref. : 2012R17EN
  • ISBN : 978-2-84060-257-1
• Institutional integrity - Toolkit

  

  The increasing demands of Civil Society regarding accountability and transparency lead to promote institutional integrity and to act decisively against corruption. This counts the more for the road sector which has proven to be particularly vulnerable to corruption. In this context, Technical Committee [...]

  • Date : 2012
  • Pages : 20
  • PIARC Ref. : 2012R18EN
  • ISBN : 978-2-84060-277-6
• 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
• Financing, Contracting and Managing of Road System Investment

  

  The purpose of this report is to provide information on the current methods and approaches relating to: The different combinations of public and private sector involvement in the provision of sustainable road systems and the perceived advantages and disadvantages of these methods; The different [...]

  • Date : 2012
  • Pages : 101
  • PIARC Ref. : 2012R08EN
  • ISBN : 2-84060-255-5
• 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
• Worldwide situation of road pricing and assessment of its impacts

  

  The report of Technical Committee " Road System Economics and Social Development " presents the state of road pricing schemes implemented or studied in the world, the corresponding developments and an assessment of their impacts. The panorama of pricing schemes covers the following twenty-two countries: [...]

  • Date : 2012
  • Pages : 246
  • PIARC Ref. : 2012R01EN
  • ISBN : 2-84060-242-3
• Management of bridge stock

  

  This report presents the results of a survey, to which 16 bridge operators from 11 countries responded, about the management of their bridge stock. The first set of questions deals with the nature of the bridge stock, the management programmes, and the funds allocated yearly for bridge management [...]

  • Date : 2012
  • Pages : 90
  • PIARC Ref. : 2011R05EN
  • ISBN : 2-84060-238-5
• Road tunnels: operational strategies for emergency ventilation

  

  During normal operation, ventilation, whether natural or mechanical, is required to provide a clean air environment and to prevent the accumulation of pollutants. During emergency operation, ventilation is needed to influence the flow of smoke. Smoke control plays a key role to increase the chances [...]

  • Date : 2011
  • Pages : 99
  • PIARC Ref. : 2011R02EN
  • ISBN : 2-84060-234-2
• Tools for road tunnel safety management

  

  This report is dedicated to the basic tools needed for management and decision support on road tunnel safety issues. It defines the general demands on tunnel safety documentation, referring to each of the three different stages of a tunnel project: design-construction, commissioning, operation. An [...]

  • Date : 2009
  • Pages : 125
  • PIARC Ref. : 2009R08EN
  • ISBN : 2-84060-228-8