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• Setting Credible Speed Limits - Case Studies Report

  

  This report of case studies on the topic of speed limits includes a series of implemented countermeasures or experimental proofs of concept to help improve the road safety in a specific location or area. PIARC didn´t work on specific speed issues in the past periods, therefore this report also contains [...]

  • Date : 2019
  • Pages : 43
  • PIARC Ref. : 2019R26EN
  • ISBN : 978-2-84060-560-7
• Big Data For Road Network Operations - Technical Report

  

  Currently, several technological developments are influencing the day-to-day work of road network operators. Automation, internet of things (IoT), smart systems, mobility services, artificial intelligence and big data are aiming to improve traffic operations and enhance mobility. Among these technologies, [...]

  • Date : 2019
  • Pages : 92
  • PIARC Ref. : 2019R18EN
  • ISBN : 978-2-84060-559-1
• 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
• Security of Road Infrastructure - Technical Report

  

  TF C.1 concentrated on "security of infrastructure, transported goods and persons". This decision was based on the experience that, despite the occurrence of incidents taking advantage of the layout and design of road infrastructure to target areas used by pedestrians in order to cause harm, some Road [...]

  • Date : 2019
  • Pages : 84
  • PIARC Ref. : 2019R12EN
  • ISBN : 978-2-84060-524-9
• Connected Vehicles - Challenges and Opportunities for Road Operators - Technical Report

  

  The deployment of Vehicle-to-Infrastructure (V2I) and Vehicle-to-Vehicle (V2V) communication, also known as cooperative intelligent transport systems (C-ITS) is speeding up in many developed countries. For example, Japan has already an operational system at national level, the United States are considering [...]

  • Date : 2019
  • Pages : 84
  • PIARC Ref. : 2019R11EN
  • ISBN : 978-2-84060-522-5
• Land use and safety: an introduction to understanding how land use decisions impact safety of the transportation system

  

  Unplanned communities create hazards for road users of all types generating unsafe conditions for motorists on the roadway and significant dangers for pedestrians, bicyclists and residents alongside or adjacent to the road. While the World Road Association continues to investigate options and recommendations [...]

  • Date : 2017
  • Pages : 44
  • PIARC Ref. : 2016R32EN
  • ISBN : 978-2-84060-440-2
• Vulnerable road users: Diagnosis of design and operational safety problems and potential countermeasures

  

  Following the World Health Organisation, nearly half of those dying on the world's roads are vulnerable road users (VRU). This proportion is much greater in low- and middle-income countries, because of the greater variety and intensity of traffic mix and the lack of separation from other road users, [...]

  • Date : 2017
  • Pages : 26
  • PIARC Ref. : 2016R34EN
  • ISBN : 978-2-84060-442-6
• The Role of Road Engineering in Combatting Driver Distraction and Fatigue Road Safety Risks

  

  Driver distraction and fatigue are a problem because, as remarkable as our abilities are, we humans are fallible and our abilities have limitations. Driver distraction and fatigue incorporates elements of both limitations and fallibility. On top of our limitations and fallibilities, driving a vehicle [...]

  • Date : 2016
  • Pages : 73
  • PIARC Ref. : 2016R24EN
  • ISBN : 978-2-84060-419-8
• Human factors guidelines for a safer man-road interface

  

  In the case of road safety, the Human Factors concept considers road characteristics that influence a driver's right or wrong driving actions. It understands the causes of road users' operational mistakes as the first step in a chain of actions which may proceed to an accident. Many often observed operational [...]

  • Date : 2016
  • Pages : 78
  • PIARC Ref. : 2016R20EN
  • ISBN : 2-84060-408-2
• 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
• 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
• 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
• Fixed fire fighting systems in road tunnels: Current practices and recommendations

  

  Fixed Fire Fighting Systems (FFFS) have been routinely used in road tunnels in countries such as Japan and Australia for decades, and there is increased interest in the use of FFFS in parts of Europe, North America and Asia. Large fire events in road tunnels continue to show the consequences of such [...]

  • Date : 2016
  • Pages : 80
  • PIARC Ref. : 2016R03EN
  • ISBN : 978-2-84060-375-7
• Improving safety in road tunnels through real-time communication with users

  

  This report is a continuation of the one published by PIARC in 2008 on "Human Factors and road tunnel safety regarding users". It addresses two specific points raised in the conclusion of the 2008 report: "It is most important that motorists understand how to behave in tunnels, in critical situation" [...]

  • Date : 2016
  • Pages : 60
  • PIARC Ref. : 2016R06EN
  • ISBN : 978-2-84060-384-9
• 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
• 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
• 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
• 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
• Comparison of national road safety policies and plans

  

  This Report examines the road safety performance of several nations, reviews reported policies and strategies in jurisdictions and attempts to establish linkages between adopted and implemented road safety policies, overarching multi - year strategies and performance outcomes. The findings are built [...]

  • Date : 2012
  • Pages : 304
  • PIARC Ref. : 2012R31EN
  • ISBN : 978-2-84060-264-4
• Road safety inspection guidelines for safety checks of existing roads

  

  A Road Safety Inspection (RSI) is a systematic, on site review, conducted by road safety expert(s), of an existing road or section of road to identify hazardous conditions, faults and deficiencies that may lead to serious accidents. After defining what is a road safety inspection, the report details [...]

  • Date : 2012
  • Pages : 83
  • PIARC Ref. : 2012R27EN
  • ISBN : 978-2-84060-259-8
• 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