Technical Reports Road policies

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

  • How Countries Undertake Well-Prepared Projects: A Review on Ten Countries

    It is well acknowledged that good project preparation tends to deliver better outcomes (benefits) as well as providing good project management performance (with respect to budget, delays and quality). This report presents processes put in place in 10 countries to deliver well-prepared transport projects. This literature review is the first task force deliverable, and it aims to identify good practices found in countries of different income levels and moreover of different cultures. All ten members [...]

  • Principles for Cooperation and Collaboration between National and Local Road Agencies

    This report analyses general areas of cooperation amongst road authorities at the various levels and the various institutional tools utilised to ensure integration. The need for cooperation between national, federal, provincial, state, local and municipal road agencies is becoming more pronounced. Noting that depending on the specific country one can find State Departments of Transportation, Ministries, transport agencies, metropolitan planning organisations, federal administrations, provincial [...]

  • Best Practice Guide to Air Quality in Relation to Road Operations

    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

    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 [...]

  • PIARC Databook of Roads and Road Transport (2014-2018)

    Currently road administrations of many countries face austerities and have to tackle some difficult issues: investing on extension of road network, maintenance and rehabilitation of existing aged roads, prompt recovery of road operation from the damage caused by large-scale disasters, and creation of safe road space. They are requested to assess the importance of political measures and implement them adequately as well as effectively while carefully reviewing the present situation. Then it is critical [...]


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