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• Principles for Cooperation and Collaboration between National and Local Road Agencies - Technical Report

  

  This report analyses general areas of cooperation amongst road authorities at the various levels and the various institutional tools utilised to ensure integration. The need for cooperation between national, federal, provincial, state, local and municipal road agencies is becoming more pronounced. Noting [...]

  • Date : 2020
  • Pages : 235
  • PIARC Ref. : 2020R01EN
  • ISBN : 978-2-84060-625-3
• Best Practice Guide to Air Quality in Relation to Road Operations - Technical Report

  

  Air pollution linked to road transport has received significant political, media and public attention since the mid 2010s. However, despite improvements in vehicle efficiencies over past decades, emissions from vehicles still contribute significantly to concentrations of air pollutants above standards [...]

  • Date : 2019
  • Pages : 171
  • PIARC Ref. : 2019R31EN
  • ISBN : 978-2-84060-566-9
• Traffic Noise – Best Practice Guide - Technical Report

  

  In recent years, knowledge about the health effects of traffic noise has grown substantially. Many studies have found that long-term exposure to traffic noise is associated with various health impacts such as sleep disturbance, cardiovascular disease and depression. While there remain knowledge gaps [...]

  • Date : 2019
  • Pages : 214
  • PIARC Ref. : 2019R36EN
  • ISBN : 978-2-84060-571-3
• Positive Energy Roads

  

  Transport infrastructure, and particularly road infrastructure, is critical to the economic growth of countries and as such attracts significant investment. The social and economic benefits of providing road infrastructure are well documented, but it is increasingly being recognised that the processes [...]

  • Date : 2019
  • Pages : 128
  • PIARC Ref. : 2019SP01
  • ISBN : 978-2-84060-546-1
• Project risk catalogue - Technical Report

  

  During the PIARC work program for TC A.3 Risk Management 2016-2019, a general, extensive PROJECT RISK CATALOGUE was prepared by WG2 members. To arrive at this catalogue, the working group conducted an effort that involved the documentation of their collective experiences, an extensive literature search, [...]

  • Date : 2019
  • Pages : 52
  • PIARC Ref. : 2019R17EN
  • ISBN : 978-2-84060-536-2
• Sustainable Multimodality in Urban Regions - Technical Report

  

  Globalization and specialization have enabled cities to flourish and have led to the concentration of activities and populations, resulting in an increase in urban transport needs and a scarcity of public space. In these urban areas characterized by high population and employment densities, congestion [...]

  • Date : 2019
  • Pages : 145
  • PIARC Ref. : 2019R13EN
  • ISBN : 978-2-84060-527-0
• 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
• The Snow and Ice Data Book 2018

  

  Even though climate change is closely associated with global warming, under the present circumstances it also translates into more extreme weather events. This effect can result in a very mild winter one year followed by a frigid and snowy season the next. Consequently, winter maintenance is very difficult [...]

  • Date : 2019
  • Pages : 267
  • PIARC Ref. : Snow and Ice Databook - SIDB 2018EN
• Disaster Information Management for Road Administrators - Technical Report

  

  Countries that experience disasters acquire unique disaster management knowledge and develop tailored countermeasure technologies based on their experiences. As societies diversify, damage caused by disasters changes as society changes. Therefore, the type of technology necessary to manage disasters [...]

  • Date : 2019
  • Pages : 85
  • PIARC Ref. : 2019R09EN
  • ISBN : 978-2-84060-516-4
• Development of Advanced Asset Management Systems for Japanese Expressways

  

  As at the end of 2018, the total length of the Japanese motorway network had reached approx. 9,500 km, with most road segments being operated and maintained by Nippon Expressway Companies (NEXCOs), which are divided into the country's Eastern, Central and Western regions. More than 60 years after inauguration [...]

  • Date : 2019
  • Pages : 5
  • PIARC Ref. : RR381-045
• Low Cost ITS - Technical Report

  

  The Low Cost ITS concept was introduced for the first time during PIARC 2012-2015 cycle. The concept described ITS services that were attractive to resource limited or Low- and Middle-Income Countries (LMICs). This was possible because of the recent emergence of inexpensive technological solutions including [...]

  • Date : 2019
  • Pages : 122
  • PIARC Ref. : 2019R07EN
  • ISBN : 978-2-84060-510-2
• Electric Roads: A Solution for the Future

  

  This article communicates on the results of a state-of-the-art review and feasibility study of ERS concepts, focusing on implementation from a road administrations perspectivethat the World Road Association (PIARC) commissioned TRL (United Kingdom).

  • Date : 2019
  • Pages : 4
  • PIARC Ref. : RR380-039
• Introduction to the RAMS Concept for Road Tunnel Operation - Technical Report

  

  Road tunnel operators are increasingly aiming to adopt a sustainable approach to road tunnel operation whenever possible. They are thus starting to look into ways of optimising the lifecycle performance of systems and equipment, whilst at the same time guaranteeing the required level of safety. One [...]

  • Date : 2019
  • Pages : 38
  • PIARC Ref. : 2019R05EN
  • ISBN : 978-2-84060-504-1
• Prevention and Mitigation of Tunnel-Related Collisions - Technical Report

  

  Because a road tunnel is an enclosed space, many tunnel safety measures are rightfully aimed at controlling the risks of fires and dangerous goods. However, practice generally shows that most injuries and fatalities in tunnels are actually related to traffic incidents that could also happen on the open [...]

  • Date : 2019
  • Pages : 255
  • PIARC Ref. : 2019R03EN
  • ISBN : 978-2-84060-502-7
• Road Tunnels: Vehicle Emissions and Air Demand for Ventilation - Technical report

  

  The design of a road tunnel ventilation system must consider fresh-air demand for maintaining in-tunnel air quality during normal and congested traffic operations and the control of smoke and hot gases in case of fire. The ventilation capacity to manage a fire incident frequently drives the ventilation [...]

  • Date : 2019
  • Pages : 61
  • PIARC Ref. : 2019R02EN
  • ISBN : 978-2-84060-500-3
• Good Practices on Multi-Modal Freight Transport Policies and Truck Management on Highways

  

  Well-functioning logistics and freight transport systems are crucial for a prosperous economy and a thriving society. The World Road Association/PIARC B4 Freight Technical Committee examines issues surrounding multi-modal and road cargo transport and reviews practices related to truck management and [...]

  • Date : 2018
  • Pages : 37
  • PIARC Ref. : 2018CS02EN
  • ISBN : 978-2-84060-498-3
• Best Practices for improving urban transport efficiency in China: Case study in Zhuzhou and Shenzhen

  

  The urbanization of China continues to intensify, as 57% of the population currently lives in cities [1]. The growth occurring in urban areas has resulted in significant increases in traffic congestion and air pollution and moreover has highlighted the need for improvements in urban transport management. [...]

  • Date : 2018
  • Pages : 4
  • PIARC Ref. : RR379-037
• Analysis of Developments in the Infrastructure of Transportation Systems in the Metropolitan Area of Buenos Aires

  

  In 2014, the author of this article and fellow engineer, Olga Vicente, jointly presented a report on the state of transportation system infrastructure in the metropolitan area of Buenos Aires, which was published in this magazine*. This report was based on data from 2013. It is interesting to assess [...]

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR379-041
• Electric road systems: a solution for the future?

  

  It is looking increasing likely that electric vehicles will play a major role in the future of road transport. While commercial electric vehicles exist their uptake has been limited due to high purchase costs, limited battery range, and a lack of charging convenience. Furthermore, while developments [...]

  • Date : 2018
  • Pages : 100
  • PIARC Ref. : 2018SP04
• The Use of Unmanned Aerial Systems for Road Infrastructure

  

  From Canada to Tanzania, transportation agencies are using unmanned aerial systems (UASs), also known as drones, to collect data, design and construct road infrastructure, inspect bridges, monitor roads for avalanche and mudslide dangers, identify flood damage risks in urban areas, reconstruct crash [...]

  • Date : 2018
  • Pages : 115
  • PIARC Ref. : 2018SP03
• Alternative Fuels and the Future of Road Tunnels and Road Tunnel Design

  

  This article explores changes that will result from the use of alternative fuels in road tunnels (and potential consequences regarding events occurring in road tunnels).

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR378-054
• Lean Tech: How to Reduce the Ever-Increasing Equipment in Modern Road Tunnels?

  

  The article shows how to potentially simplify technical installations without creating new risks, whilst always being adapted to safety requirements.

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR378-046
• LED Lighting in ASFINAG Road Tunnels

  

  The article explains the current standing of LED technology, in addition to the pros and cons of these lighting systems. Furthermore, the article aims to show the influence of better quality lighting systems on drivers. Therefore, it presents information of real-life field tests in tunnels with different [...]

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR378-058
• Sweep-Salting - A Method for Winter Maintenance of Bicycle Paths in Sweden

  

  A high winter maintenance service level could encourage more people to cycle during winter – with environmental and health benefits as a result. It is also important considering the safety of cyclists. According to accident analysis, eight out of ten bicycle crashes in Sweden are single bicycle crashes [...]

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR377-053
• A Technical Description of LARS and Lumi: Two Apparatus for Studying Tire-Pavement Interactions

  

  The controllability of a vehicle equipped with tires decreases under certain circumstances. One of these circumstances is in winter, where snow and ice affect tire-pavement interaction and thus friction. In such conditions, the control of the vehicle might be lost, which results in longer braking distances [...]

  • Date : 2017
  • Pages : 7
  • PIARC Ref. : RR375-049