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• 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
• New repair and rehabilitation methods for road bridges

  

  In many countries, the average age of the road bridges stock is over fifty years, and a large number of the bridges are not in good condition. The economic issue leads to the search for innovative solutions to extend the service life of the bridges and rehabilitate them in the most cost-effective way. [...]

  • Date : 2015
  • Pages : 112
  • PIARC Ref. : 2015R02EN
  • ISBN : 978-2-84060-359-7
• 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
• Snow and Ice Databook 2014

  

  This fourth edition of the Snow and Ice Databook was produced to accompany the 14 th International Winter Road Congress held in Andorra. It compiles in a homogeneous and consistent format descriptions of practices for managing winter road conditions from nearly 30 countries. The four country-specific [...]

  • Date : 2015
  • Pages : 223
  • PIARC Ref. : Snow and Ice DataBook - SIDB 2014EN
  • ISBN : 978-2-84060-355-9
• Road transport system and environment preservation - Review of national policies

  

  Climate change is one of the most serious threats facing the world today. There is compelling scientific evidence that the global climate is changing and the primary cause is the release of greenhouse gases resulting from human activity. Many governments are putting in place legislative and policy frameworks [...]

  • Date : 2015
  • Pages : 64
  • PIARC Ref. : 2014R03EN
  • ISBN : 978-2-84060-353-5
• 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
• Alternative solutions for fossil fuels for the road system

  

  The report looks at the technologies available to generate energy in the highway context and also qualitatively assesses the opportunity to reduce the energy used by existing highways infrastructure. Case studies related to some potential technologies and techniques are presented: thermal collection, [...]

  • Date : 2014
  • Pages : 32
  • PIARC Ref. : 2014R01EN
  • ISBN : 978-2-84060-342-9
• Impacts of changes in winter severity on winter maintenance

  

  Data from the past years indicate a significant evolution and change in temperature profiles, precipitation, and generally deviation from traditional seasonal cycles. For example snow events became more intense and sudden, and forecasts are getting more difficult. Based on Intergovernmental Panel on [...]

  • Date : 2014
  • Pages : 41
  • PIARC Ref. : 2013R13EN
  • ISBN : 978-2-84060-330-6
• Risks associated with natural disasters, climate change, man-made disasters and security threats

  

  This report presents: the methodological approach developed in the United States CAPTA (Costing Asset Protection: An All Hazards Guide for Transportation Agencies) for evaluating risks associated with all hazards; a set of practical techniques, developed in Japan,for managing risks associated [...]

  • Date : 2013
  • Pages : 252
  • PIARC Ref. : 2013R12EN
  • ISBN : 978-2-84060-333-7
• 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
• Human factors in road design. Review of design standards in nine countries

  

  This report reviews how human factors are explicitly or implicitly considered in the current road design standards of the following countries : Australia, Canada, China, Czech Republic, France, Hungary, Japan, the Netherlands and Portugal. The report focuses on design features as they relate to the [...]

  • Date : 2012
  • Pages : 212
  • PIARC Ref. : 2012R36EN
  • ISBN : 978-2-84060-306-1
• Practices on involvement of local community in rural roads

  

  A rural road network is a basic community asset which has tremendous bearing on socio-economic development of rural communities, therefore; involvement of communities is critical in projects or works aimed at providing rural accessibility. The report discusses the roles that a community can play in [...]

  • Date : 2013
  • Pages : 77
  • PIARC Ref. : 2013R11EN
  • ISBN : 978-2-84060-329-0
• Quiet pavement technologies

  

  This report presents the two distinct approaches for reducing the problems caused by noise pollution: the "integrated planning" approach to transportation and land use, and the corrective approach through abatement measures (low noise pavements, anti-noise screens, berms, traffic management such as [...]

  • Date : 2013
  • Pages : 105
  • PIARC Ref. : 2013R10EN
  • ISBN : 978-2-84060-327-6
• Road accident investigation guidelines for road engineers

  

  In order to improve road safety, availability of accident data and an understanding of the circumstances that lead to crashes are of vital importance. The purpose of Road Accident Investigation (RAI) is to help road engineers detect road infrastructure deficiencies that influence an accident, in order [...]

  • Date : 2013
  • Pages : 51
  • PIARC Ref. : 2013R07EN
  • ISBN : 978-2-84060-321-4
• 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
• Risk evaluation, current practice for risk evaluation for road tunnels

  

  This report is intended to provide discussion on the various established strategies for the evaluation of the results of a risk analysis for the risk assessment of road tunnels. After a presentation of background information on risk evaluation, the principles of the different approaches, both qualitative [...]

  • Date : 2013
  • Pages : 91
  • PIARC Ref. : 2012R23EN
  • ISBN : 978-2-84060-290-3
• 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
• Communication with road users in winter conditions

  

  This report is based on the answers to a survey from 25 countries or state agencies. It addresses the following sub-topics: informing road users about changeable road/traffic conditions; usage of on-road installed devices for informing road users bout changeable road/traffic conditions; individual [...]

  • Date : 2013
  • Pages : 50
  • PIARC Ref. : 2013R03EN
  • ISBN : 978-2-84060-313-9
• Sustainable development and winter service

  

  In its first part, the report reviews and analyses some existing methods that integrate the sustainable development approach for road infrastructure projects or road services, in various countries. Based on this state-of the-art review, it is concluded that the descriptive checklist approach is found [...]

  • Date : 2013
  • Pages : 34
  • PIARC Ref. : 2013R04EN
  • ISBN : 978-2-84060-314-6
• Strategies for balancing urban transport to improve mobility and reduce road congestion

  

  This report reviews the factors having a main impact on the supply and demand for road capacity, before it considers the strategies which allow to address congestion and improve mobility of persons in urban areas. From different case studies, the report reviews nine strategies: promoting public [...]

  • Date : 2013
  • Pages : 125
  • PIARC Ref. : 2013R02EN
  • ISBN : 978-2-84060-311-5
• 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
• 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
• Road bridges improvement of durability in design and construction

  

  This 62-page report compiled by Technical Committee 4.4 has sought to pool the experience of the members ofthe committee in respect of current design and construction philosophy in identifying and responding to perceived durability problems of engineering structures. A questionnaire was formulated [...]

  • Date : 2013
  • Pages : 62
  • PIARC Ref. : 2012R34EN
  • ISBN : 978-2-84060-302-3
• Social acceptance of risk and their perception

  

  This report was prepared by PIARC Technical Committee C3. It consists of 101 pages, including 40 pages of appendices (appendix A consists of 4 case-studies while appendix B presents the results of a survey on perception and social acceptance of risks). Chapter 1 presents the factors influencing risk [...]

  • Date : 2013
  • Pages : 118
  • PIARC Ref. : 2012R30EN
  • ISBN : 978-2-84060-298-9