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• Contribution to the improvement of the general guidelines for the development, construction / reconstruction, rehabilitation and maintenance of the Trans-African Highway network - (Annex II) (only in French) - Technical Report

  

  This report is a review, for the purpose of improvement, of Annex II entitled "General Guidelines for the Planning, Construction/Reconstruction, Rehabilitation and Maintenance of the Transfrician Highway Network" of the African Union Intergovernmental Agreement for the Harmonization of Norms and Standards [...]

  • Date : 2019
  • PIARC Ref. : 2019R06EN
• Can we trust the road sensors for winter service?

  

  This article describes a 5-year collaborative Nordic project was launched by NordFoU in 2014, under the title ROad STate MOnitoring System (ROSTMOS), with representatives and experts from Denmark, Sweden, Norway, Iceland and partly Finland to map and implement the challenges faced by Nordic road authorities [...]

  • Date : 2019
  • Pages : 4
  • PIARC Ref. : RR380-049
• 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
• Environmental impact of practices and storage protocols relative to deicing agents

  

  The scope of this study is to learn more about the impact of storing sodium chloride-type deicing agents on the natural environment while assessing the environmental impact of the most recent "best practices" (e.g. management mode, investment) in an effort to minimize the loss of deicing agents. The [...]

  • Date : 2019
  • Pages : 6
  • PIARC Ref. : RR380-043
• France's Civil Engineering Museum

  

  With the World Road Association’s publication on its website of two technical reports written by regional French-speaking African working groups, we felt it highly relevant to focus on the theme of «Roads across Africa», through a series of recordings from the eponymous exhibition staged in Paris [...]

  • Date : 2019
  • Pages : 4
  • PIARC Ref. : RR380-056
• PIARC's International Climate Change Adaptation Framework for Road Infrastructure — Elements of Analysis on Applicability and Refinement

  

  This article presents some analysis of the applicability and ideas for the refinement of the International Climate Change Adaptation Framework for Road Infrastructure.

  • Date : 2019
  • Pages : 4
  • PIARC Ref. : RR380-035
• The RAMS-Approach for Road Tunnel Operations

  

  There are several ways to optimize life cycle performance whilst maintaining the required level of road tunnel safety. One possible approach is based on monitoring the Reliability, Availability, Maintainability and Safety (RAMS) of systems, based on pre-defined requirements. This methodology has been [...]

  • Date : 2019
  • Pages : 3
  • PIARC Ref. : RR380-053
• Intra- and Inter-Agency Integration of Winter Maintenance Management: Case Studies

  

  PIARC Technical Committee B.2, "Winter Maintenance," working group B.2.1., "Transportation Management during Winter Events," was tasked with identifying noteworthy examples of cooperation within and between agencies responsible for winter maintenance management. The working group asked PIARC members [...]

  • Date : 2019
  • Pages : 55
  • PIARC Ref. : 2019R04EN
  • ISBN : 978-2-84060-503-4
• 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
• Review of the Practical Guide to Pavement Design for Tropical Countries (in French only) - Technical Report

  

  The Practical Guide to Pavement Design for Tropical Countries, published in 1984 by CEBTP, is still a document to which reference is often made in French-speaking African countries. Over the past thirty-five years, major developments have taken place in the pavement sector, particularly in the formulation [...]

  • Date : 2019
  • PIARC Ref. : 2019R01EN
• Achieving Compact Cities Linked by Transit Network in Japan

  

  In Japan, the average birth rate has remained at an extremely low level for a prolonged period. Consequently, the population is shrinking and the elderly population is expected to grow rapidly. In 2010, 23% percent of the Japanese population of was age 65 or older. In 2040, it is expected that 36.1% [...]

  • Date : 2018
  • Pages : 4
  • PIARC Ref. : RR379-021
• Roads on Coins

  

  National emblems, sovereigns’ faces, symbols of the nation, notable anniversaries, great figures of history, autochthonous plants and animals, collective undertakings which require the entire country’s input and, of course, large numerical figures together with the denomination of the coin. These [...]

  • Date : 2018
  • Pages : 8
  • PIARC Ref. : RR379-055
• Universal Design Project for the Seoul Subway: Development of a Subway Transfer Map for Users with Reduced Mobility

  

  The purpose of this project is to improve accessibility and connectivity of the Seoul subway system for mobility-impaired users through the creation of a transfer map. Users with reduced mobility include those using wheelchairs, buggies, canes or crutches.

  • Date : 2018
  • Pages : 4
  • PIARC Ref. : RR379-051
• 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
• Are New Mobility Services Going to Redefine the Urban Landscape?

  

  Transport demand studies have revealed a certain trend towards a declining use of passenger cars in developed countries, especially in Europe. Several factors are contributing to this trend: the general trend for people to live increasingly in cities. There is a direct correlation between the percentage [...]

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR379-015
• Enhancing the Benefits Ascribed to «Bus Rapid Transit» Projects

  

  Bus Rapid Transit (BRT) is a transportation system built around bus routes in the aim of providing an efficient and high-quality service similar to that inherent in rail modes, by taking advantage of the flexibility, speed of execution and reduced costs associated with road transportation modes. BRT [...]

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR379-046
• Sustainable Mobility in Urban Regions: What are the Highest-Priority Needs?

  

  Cities and their outskirts accommodate high concentrations of transportation flows, in terms of passengers and freight, which remain quite distinct in both their scope and frequency: major transit flows, intercity exchanges, daily mobility patterns. This article will primarily focus on day-to-day mobility [...]

  • Date : 2018
  • Pages : 5
  • PIARC Ref. : RR379-025
• Sustainable Mobility: What are the Challenges faced by our Cities and by the World Road Association?

  

  The ecosystem encompassing roads and our mobility patterns is about to be drastically altered due to transformations underway regarding not only road vehicles (connectivity, motor technology, reliance on on-board computing) and digital advances (real-time knowledge of mobility needs, relationship-building [...]

  • Date : 2018
  • Pages : 1
  • PIARC Ref. : RR379-013
• The Case for Optimizing the Use of Public Urban Spaces

  

  In 2011, the world’s population topped seven billion, with half this number residing in cities. According to the United Nations, this trend will intensify, as five billion urban dwellers are projected in year 2030, accounting for 60% of the planet’s inhabitants and 80% of the population across the [...]

  • Date : 2018
  • Pages : 6
  • PIARC Ref. : RR379-031
• 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
• Investigating Unpredicted Infrastructure Failure

  

  This report is an outcome of PIARC mechanism for Special Projects, which is PIARC instrument to respond quickly to emerging issues for PIARC member countries. This report provides a review of 15 Unpredicted Infrastructure Failure (UIF) case studies that have been collated from around the world. For [...]

  • Date : 2018
  • Pages : 51
  • PIARC Ref. : 2018SP01