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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.

  • Green Paving Solutions and Sustainable Pavement Materials - Technical Report

    This report summarizes the current state-of-the practice for sustainable pavement techniques and the incentives used to encourage their use. Green paving solutions were identified in addition to identification of barriers to their wider implementation. Information contained in this report is based on a literature review and a questionnaire and survey of 42 representatives from 20 countries across the world. Sustainable pavement techniques can be incorporated into pavements from the pavement design [...]

  • Best Practice Guide to Air Quality in Relation to Road Operations - Technical Report

    Air pollution linked to road transport has received significant political, media and public attention since the mid 2010s. However, despite improvements in vehicle efficiencies over past decades, emissions from vehicles still contribute significantly to concentrations of air pollutants above standards in many cities around the world. The European Environmental Agency noted that:  Road transport remains an important source of some of the most harmful air pollutants. In particular, road transport [...]

  • Refinement of PIARC’s International Climate Change Adaptation Framework for Road Infrastructure - Technical Report

    Climate change will have significant impacts on the design, construction, maintenance and operation of global road infrastructure. IPCC projections estimate that the Earth will become warmer, some regions will become wetter overall and some will become drier, sea levels will rise and storm surge height will increase, snow cover and extent of sea ice will reduce, and the frequency and severity of extreme weather events will increase. This in turn results in significant global and regional challenges [...]

  • Adaptation Methodologies and Strategies to Increase the Resilience of Roads to Climate Change - Technical Report

    Climate Change is anticipated to have a significant impact on the design, construction, maintenance and operation of global road infrastructure. The IPCC Climate change projections indicate that the earth will become warmer, some regions will become wetter and some will become drier, sea levels will rise and storm surge height will increase, snow cover and extent of sea ice will reduce, and the frequency and severity of extreme weather events will increase. This in turn will result in significant [...]

  • Positive Energy Roads

    Transport infrastructure, and particularly road infrastructure, is critical to the economic growth of countries and as such attracts significant investment. The social and economic benefits of providing road infrastructure are well documented, but it is increasingly being recognised that the processes by which the infrastructure is designed, constructed, maintained and operated also need to minimise negative impacts such as pollution and greenhouse gas emissions. A key challenge for road transport [...]