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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 Environment

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

  • The Role of Innovative Its Technologies In Transport Sustainability - A PIARC High Impact Summary

    Global transport systems face increasing pressure to decarbonise, improve equity, and enhance resilience. ITS play a pivotal role in this transition, offering data ‑ driven, digital solutions that support sustainable, efficient, and user ‑ centric mobility. This high ‑ impact summary synthesises global developments across Europe, North America, Asia ‑ Pacific, and emerging economies, highlighting practical applications, technological innovations, and systemic challenges in embedding [...]

  • Challenges In Resilience Building For Road Disaster Management Coordination And Cooperation In Different Regions - Summary of PIARC & REAAA Joint Session at the IARC Osaka Workshop, May 2025

    The international workshop was organized by the World Road Association (PIARC) through its Technical Committee 1.5, "Disaster Management," and the Japan Road Association (JARA). The Road Engineering Association of Asia and Australasia (REAAA) collaborated with the event through its Climate Change, Resilience, and Disaster Management Committee. The workshop theme was "Road Disaster Management: Enhancing Coordination, Cooperation, and Diversity". This event provided information on the latest disaster [...]

  • Measures for Reducing Carbon Footprint of Pavements - A PIARC Collection of Case Studies

    This report contains a collection of case studies on measures to reduce the carbon footprint of pavements, leveraging the collective expertise and efforts of the authors, including contributions from experts worldwide, including from low and middle-income countries. The case studies include the various stages of emissions of the materials across their life cycle, including the Product Stage (A1-A3), Construction Stage (A4-A5), Use Stage (B1-B7), End of Life Stage (C1-C4), and reuse, recovery [...]

  • Ensuring the Network Remains Operational during Unprecedented Conditions - Proceedings from Piarc Panel Discussion at Highways UK in October 2024

    Members of PIARC TC 1.5 Disaster Management from across the globe were asked to present and participate in a panel discussion at Highways UK in October 2024 : “PIARC Disaster Management Committee Panel: Ensuring the network remains operational during unprecedented conditions.” Highways UK is a major event for the highways and transportation industry in the UK that provides a conference, exhibition, and networking opportunities. This briefing note provides details on the thought provoking, [...]

  • Mainstreaming Biodiversity within Road Infrastructure Projects - A PIARC Collection of Case Studies

    This document is an appendix to the Full Report 2023R44EN, and it contains the Case Studies collected by the WG3.4.3 team; the chapters listed here are those that structure the Full Report. The case studies illustrate the theoretical elements written in the Full Report. The development of transport infrastructure is one of the basic elements of the development of countries and their economies. Economic development is often accompanied by environmental protection problems, including biodiversity [...]