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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 network operations

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

  • 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 bodies not only for the operation of existing tunnels but also for the design, management, operation and maintenance of urban road tunnels. The recommendations for existing tunnels are aimed at traffic [...]

  • CD-ROM of the PIARC Technical Committee on Management of Network Operations

    Road network operations combine a complex set of traffic management and user support actions to optimize traffic conditions in all circumstances. The knowledge in this area has been organized in the form of an electronic encyclopaedia that can be accessed on the PIARC website at:  https://rno-its.piarc.org/ This website describes the actions that make up road operations. It provides an update of the PIARC Handbook on Network Operations published in 2003. It includes a comprehensive library [...]

  • Management of the operator - Emergency teams interface in road tunnels

    The purpose of this report is to assist the owners, operators of tunnels and emergency services to coordinate their operations in order to improve the level of safety for users, staff members and emergency teams during serious tunnel fires and tunnel incidents. The first part presents the most relevant lessons learned from the more serious tunnel fires of the last decades. It explains the development of lorry fires and emphasizes the utmost importance of reducing the duration of all the precursor [...]

  • CD-ROUTE

    Minimum Equipment Required CD-ROUTE can be used on PC (386 at least, Windows 3.1, 95 & NT) and Macintosh® (68020 at least), Power Mac®, Mac OS version 7. Minimum equipment required: 16 Mo RAM, a hard disk and a 14'' colour screen (256 colours or more). The program is very easy to install. For more details on CD-ROUTE: AIPCR/PIARC Tel : +33 1 47 96 81 21 Fax : +33 1 49 00 02 02 E-mail : info@piarc.org

  • Integrated approach to road tunnel safety

    This report proposes an integrated approach to road tunnel safety, which has been developed in co-operation with the European research projects SafeT and UPTUN. General principles and current perspectives on road tunnel safety are summarised, including practical tunnel project experience. An international survey through PIARC C3.3 members was carried out. An overview is given of current best practice in various countries.