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PIARC (World Road Association), founded in 1909 and comprising 125 member governments from all over the world, is the global forum for exchange of knowledge and experience on roads, road transport policies and practices. With consultative status to the Economic and Social Council of the United Nations, the Association is contributing to a stable and sustainable global development of the road and transport sector.

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Technical Reports Road tunnel operations

This page lists technical reports of PIARC in the field of Road tunnel operations. These publications are classified chronologically.

  • Impact of the Development of Active Transport Modes in Road Tunnels - Current Situation Report and Case Studies

    Active modes of transport, which are increasingly demanded by society and infrastructure managers, especially in large cities, in order to improve mobility, reduce emissions and make transport more accessible to all types of users, represent a new challenge for road managers, especially when it comes to tunnels. Active modes of transport are those that affect personal mobility, that is to say, pedestrians, cyclists, skaters, skateboards, scooters, wheelchairs, etc. In this context, the authorization [...]

  • Sustainability of Tunnel Operation: New Approaches - A PIARC Briefing Note And Collection Of Case Studies

    Sustainability means creating a new economic and social model that can respond to today’s environmental challenges. Applied to road tunnels, this concept includes the environmental aspects of reducing energy consumption and emissions, and minimising impacts over the tunnel’s full life cycle. The economic aspects of modern road tunnels focus on keeping costs under control over time, supporting innovation, and helping create local jobs. Ultimately, the social aspects, which are about making tunnels [...]

  • Impact of New Propulsion Technologies on Road Tunnel Operations and Safety - A PIARC Technical Report

    Alternative propulsion technologies, including battery-electric vehicles, are becoming more prevalent. Whilst such vehicles remain a small overall proportion of the vehicle fleet, the combination of impacts of Government policy and technological advances in alternative fuels is expected to accelerate their increase in numbers on the road and in tunnels in coming years. There may also be particular initiatives in certain geographical areas, such as on airport land for example, where higher proportions [...]

  • Improving Road Tunnel Resilience, Considering Safety and Availability - Technical Report

    This report presents a road map to improve the resilience of road tunnels, based on a literature review, a collection of case studies and the knowledge and experience of the members of Working Group 2 “Safety and Resilience” of PIARC Technical Committee 4.4 “Tunnels”. The content of the report is addressed at several target groups involved in the planning, design, implementation, operation, maintenance and refurbishment of road tunnels, such as decision makers, tunnel owners and managers, [...]

  • Good Practices in Maintenance and Traffic Operation of Heavily Trafficked Urban Road Tunnels - Technical Report

    Maintenance and operation of heavily trafficked urban road tunnels is one of, if not the most outstanding challenge for authorities, owners, operators and designers of tunnels. This full report makes amends in detailing the challenges and inherent good practices for maintenance and operation from traffic management, to design and renovation. This full report was cowritten by a panel of designers, owners, operators, policy makers in the field of tunnels, from around the world, taking inspiration [...]