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• Cooperative Vehicle Highway Systems

  

  We can consider that the most recent developments of the vehicles are: the massive deployment of sensors, actuators and computers allowing to develop a kind of "vehicle and transport system intelligence"; their ability to communicate among themselves or with the infrastructure through the concept [...]

  • Date : 2016
  • Pages : 51
  • PIARC Ref. : 2016R08EN
  • ISBN : 978-2-84060-386-3
• 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
• Methodologies and tools for risk assessment and management applied to road operations

  

  This report deals with methodologies and tools for risk assessment and management applied to road operations including managing risks in relation to the climate change. Chapter 1 of this report starts with a classification of methodologies for risk management of road infrastructure. Particular attention [...]

  • Date : 2016
  • Pages : 54
  • PIARC Ref. : 2016R12EN
  • ISBN : 978-2-84060-394-8
• Road network management for improved mobility

  

  It is useful to review the term "Intelligent Transport Systems (ITS)" in this report. According to the PIARC ITS Handbook, ITS is a generic term to mean integrated communications, control technologies and information processing systems for transport applications. However, in this report, we consider [...]

  • Date : 2016
  • Pages : 53
  • PIARC Ref. : 2016R11EN
  • ISBN : 978-2-84060-393-1
• 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
• Uses of ITS including consideration of planning for future improvements, upgrades and the economy

  

  Economic growth typically results in an increase of both freight and passenger traffic. This generally compounds the problems in transportation systems. ITS technologies have been widely used to mitigate many of these transportation challenges and will continue to play an increasingly important role [...]

  • Date : 2016
  • Pages : 43
  • PIARC Ref. : 2016R10EN
  • ISBN : 978-2-84060-391-7
• Promoting sustainable maintenance of rural roads networks

  

  Rural roads are roads or improved trails whose main role is to ensure local exchanges, providing access to rural areas and access to the national or regional primary road network or to the interconnected network. Rural roads are key to development and economic growth of countries and provide considerable [...]

  • Date : 2016
  • PIARC Ref. : 2016R15EN
• 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
• Security of road infrastructure

  

  This paper is addressing threats directed to the infrastructure. A correct understanding and a suitable handling of the security of road infrastructure is not only important to safeguard the infrastructure itself, but is also relevant to cover the protection of the social and economic values, the protection [...]

  • Date : 2015
  • Pages : 19
  • PIARC Ref. : 2015R01EN
  • ISBN : 978-2-84060-357-3
• 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
• 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
• Best practices for the sustainable maintenance of rural roads in developing countries

  

  Regular maintenance of roads is critical to the economic vitality of a country. In particular, a focus on rural road maintenance is needed when planning and operating a large transport network, as they are often deemed less important than paved roads and highways. When rural roads are neglected, it [...]

  • Date : 2013
  • Pages : 45
  • PIARC Ref. : 2013R01EN
  • ISBN : 978-284060-309-2
• 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
• Strategies for road networks operation

  

  This report studies, in its first part, the strategies of management of congested areas and road corridors. Examples are presented of measures to reduce non-recurring congestion (traffic incidents, planned special events, work zones, real time traveler information); recurring congestion (including: [...]

  • Date : 2012
  • Pages : 90
  • PIARC Ref. : 2012R26EN
  • ISBN : 978-2-84060-295-4
• Best practices for road safety campaigns

  

  The report presents key findings of a literature review of best practices for road safety campaigns, and relate these to actual road safety campaign practices by road administrations and authorities of fourteen countries who responded to a survey questionnaire. The report covers the following key [...]

  • Date : 2012
  • Pages : 50
  • PIARC Ref. : 2012R28EN
  • ISBN : 978-2-84060-260-1
• 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
• 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
• The connected vehicle

  

  The advent of Intelligent Transport Systems has provided new opportunities for improving the safety and efficiency of the road network. The development of intelligent vehicles, connected by wireless networks to the roadside infrastructure, brings opportunities and issues which are being discussed in [...]

  • Date : 2012
  • Pages : 59
  • PIARC Ref. : 2012R02EN
  • ISBN : 2-84060-246-6