All PIARC Publications

There are 44 results for your search

  • Large Underground Interconnected Infrastructure

    This report is a continuation of the previous one published in 2016: “Road tunnels: complex underground road networks” (2016R19EN). Its objective is twofold: extend the panel of networks investigated, both geographically and in terms of their complexity and diversity, analyse in a much [...]

    • Date : 2019
    • Pages : 97
    • PIARC Ref. : 2019R42EN
    • ISBN : 978-2-84060-594-2
  • General Principles to Improve Accessibility for Persons with Reduced Mobility in Road Tunnels

    The report provides the general principles that apply when making allowances for persons with reduced mobility in road tunnels. The means of facilitating their ability to raise the alarm, and to evacuate in critical situations, are examined. Facilities and examples from the following countries are provided: [...]

    • Date : 2019
    • Pages : 55
    • PIARC Ref. : 2019R20EN
    • ISBN : 978-2-84060-543-0
  • Introduction to the RAMS Concept for Road Tunnel Operation

    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

    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

    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
  • Road tunnel operations: First steps towards a sustainable approach

    In terms of sustainable development, the current situation in the field of infrastructure varies greatly from one country to another. Certain countries have laid down regulations; a few have set objectives to be achieved, while others have no regulations at all. So far, the World Road Association has [...]

    • Date : 2017
    • Pages : 69
    • PIARC Ref. : 2017R02EN
    • ISBN : 978-2-84060-470-9
  • Design fire characteristics for road tunnels

    Fire safety in tunnels depends on an amalgam of systems and procedures designed to achieve the best outcome in the event of an incident. The "Design Fire", defined in terms of its magnitude, growth rate and duration, provides a basis for sizing the required systems and anticipating the operational measures [...]

    • Date : 2016
    • Pages : 66
    • PIARC Ref. : 2017R01EN
    • ISBN : 978-2-84060-471-6
  • Experience with Significant Incidents in Road Tunnels

    Approximately ten to fifteen years ago many countries introduced tunnel safety management systems and started paying attention to tunnel safety in a more structured way. PIARC report 2007/R07 recommended an integrated approach to tunnel safety. As a result of this, many countries have gained experience [...]

    • Date : 2016
    • Pages : 67
    • PIARC Ref. : 2016R35EN
    • ISBN : 978-2-84060-444-0
  • Road tunnels: complex underground road networks

    Underground complex road networks are under development in the world due to the growing concentration of the population in large urban areas. The high occupation on the surface, the extension of the perimeter of the metropolises, the growing demand in travel and mobility, lead naturally and inevitably [...]

    • Date : 2016
    • Pages : 80
    • PIARC Ref. : 2016R19EN
    • ISBN : 978-2-84060-404-4
  • Lay bys and protection against lateral obstacles - Current practices in Europe

    Accidents which have occurred in tunnels have brought to light the danger that the perpendicular end-wall of lay-bys can present to road users in tunnels. Various European representatives of the PIARC Road Tunnel Operations Committee engaged in discussions on the topic of lay-bys and lateral obstacles [...]

    • Date : 2016
    • Pages : 38
    • PIARC Ref. : 2016R16EN
    • ISBN : 978-2-84060-400-6
  • 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
  • Best practice for life cycle analysis for tunnel equipment

    Life Cycle or Life Cycle Cost (LCC) aspects are becoming more important. From an economic point of view, it is important to consider these aspects both in the design and in the operation of tunnel equipment. This best practice report is a natural follow-up to the former report on life cycle aspects [...]

    • Date : 2016
    • Pages : 21
    • PIARC Ref. : 2016R01EN
    • ISBN : 978-2-84060-370-2
  • 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
  • Best practice for road tunnel emergency exercises

    Emergency exercises are an integral part of the planning process of road tunnel safety. Drawing on international experience in this area, this report is in the form of a detailed guide for defining objectives, prepare, implement and evaluate an exercise in the most efficient and productive as possible. [...]

    • Date : 2012
    • Pages : 50
    • PIARC Ref. : 2012R25EN
    • ISBN : 978-2-84060-292-X
  • Assessing and improving safety in existing road tunnels

    This report provides guidelines for a step-by-step process for the development of a safety upgrade programme for existing road tunnels, ensuring that the required safety levels are achieved. The report represents the work of PIARC Technical Committee C.4, Working group 2. A five step methodology is [...]

    • Date : 2012
    • Pages : 63
    • PIARC Ref. : 2012R20EN
    • ISBN : 978-2-84060-284-9
  • Recommendations on management of maintenance and technical inspection of road tunnels

    This report aims at presenting best practice for technical inspections as well as for the maintenance of equipment in road tunnels ranging from electromechanical systems to communication systems and operational devices. The scope, goal and types of maintenance are defined in Chapter 1. Chapter 2 [...]

    • Date : 2012
    • Pages : 45
    • PIARC Ref. : 2012R12EN
    • ISBN : 978-2-84060-279-2
  • Life cycle aspects of electrical road tunnel equipment

    Electrical equipment costs have risen dramatically in the past years: more and more complex systems are being used in tunnels. Knowing life cycles of equipment helps to reduce maintenance costs and to improve safety. This report presents the results of an international survey (twenty-seven answers [...]

    • Date : 2012
    • Pages : 37
    • PIARC Ref. : 2012R14EN
    • ISBN : 978-2-84060-272-5
  • Road tunnels: vehicle emissions and air demand for ventilation

    This report presents the data necessary for the design of the ventilation system for road tunnels in normal operation. It aims at defining the minimum quantity of fresh-air that is required to ensure adequate in-tunnel air quality and visibility thresholds. This report is a reference document for the [...]

    • Date : 2012
    • Pages : 87
    • PIARC Ref. : 2012R05EN
    • ISBN : 978-2-84060-269-5
  • Recommendations regarding road tunnel drivers' training and information

    A follow-up on the report « Human Factors and safety from the view point of users » that was published in 2008 by the World Road Association, this new work by Technical Committee C4 - Road Tunnel Operations - aims at giving key information and instructions to drivers in order to enable them to adopt [...]

    • Date : 2011
    • Pages : 193
    • PIARC Ref. : 2011R04EN
    • ISBN : 2-84060-235-0
  • Road tunnels: operational strategies for emergency ventilation

    During normal operation, ventilation, whether natural or mechanical, is required to provide a clean air environment and to prevent the accumulation of pollutants. During emergency operation, ventilation is needed to influence the flow of smoke. Smoke control plays a key role to increase the chances [...]

    • Date : 2011
    • Pages : 99
    • PIARC Ref. : 2011R02EN
    • ISBN : 2-84060-234-2
  • Tools for road tunnel safety management

    This report is dedicated to the basic tools needed for management and decision support on road tunnel safety issues. It defines the general demands on tunnel safety documentation, referring to each of the three different stages of a tunnel project: design-construction, commissioning, operation. An [...]

    • Date : 2009
    • Pages : 125
    • PIARC Ref. : 2009R08EN
    • ISBN : 2-84060-228-8
  • Human factors and road tunnel safety regarding users

    This report aims to improve the understanding of user behaviour in road tunnels in both normal and critical situations and to provide recommendations for tunnel design and operation. After an introduction of the human decision process, the report presents observations of the behaviour of tunnel users [...]

    • Date : 2008
    • Pages : 193
    • PIARC Ref. : 2008R17EN
    • ISBN : 2-84060-218-0
  • Urban road tunnels - Recommendations to managers and operating bodies for design, management, operation and maintenance

    Urban road tunnels are unique in terms of traffic characteristics (high volume, congestion during commuter periods, wide variety of vehicles, high percentage of buses, etc.), infrastructural design, difficulty of closing and urban environment. Recommendations are presented to managers and operating [...]

    • Date : 2008
    • Pages : 110
    • PIARC Ref. : 2008R15EN
    • ISBN : 2-84060-216-4
  • Road tunnels: an assessment of fixed fire fighting systems

    The report reviews: the previous studies on this topic carried out by PIARC and the recent developments since the release of the PIARC report on this subject in 1999; the lessons drawn from the past fires and holistic approach to fixed fire fighting systems (FFFS); consideration of FFFS in the [...]

    • Date : 2008
    • Pages : 79
    • PIARC Ref. : 2008R07EN
    • ISBN : 2-84060-208-3

This site uses cookies to optimize its operation. They allow you to securely access your personal space and download our publications. You accept their use by clicking on the "Continue" button.