Better Roads, Better World

Knowledge Centre



Even more knowledge information can be found on the gTKP website.

The resources in the Environment Centre are structured as follows:

By type of knowledge:
Road Safety | Environment | Public Private Partnership | Intelligent Transport Systems | Regional Development

By geographical region:
Americas | Asia and the Pacific | Europe | Africa and Middle East | International

By type of resource:
Policy and regulations | Position papers | Guidelines and manuals | Case studies | Overviews and activity reports


Transport Outlook 2010

  • Date : 31 May 2010
  • Region : International
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: The International Transport Forum is a strategic think tank for the transport sector. Each year, it brings together Ministers from over 50 countries, along with leading decision-makers and actors from the private sector, civil society and research, to address transport issues of strategic importance. An intergovernmental organisation linked to the OECD, the Forum's goal is to help shape the transport policy agenda, and ensure that it contributes to economic growth, environmental protection, social inclusion and the preservation of human life and wellbeing. The 2010 International Transport Forum, to be held on 26-28 May in Leipzig, Germany, will focus on Transport and Innovation: Unleashing the Potential.

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Performance of Virginia's Warm-Mix Asphalt Trial Sections

  • Date : 16 February 2010
  • Region : Americas
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: The purpose of this study was to assess the short-term performance of the three VDOT WMA trial sections constructed in Virginia in 2006 to provide the initial information necessary for the future evaluation of the lifetime performance of WMA. Specifically, the study evaluated the three WMA trial installations over a period of 2 years to gather short-term performance data to serve as a basis for the evaluation of WMA as a long-term pavement solution.

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A review of current research on road surface noise reduction techniques

  • Date : 29 January 2010
  • Region : Europe
  • Type of Knowledge : Environment
  • Type of Resources : Case studies

Short summary: This research describes the mechanisms of traffic noise generation, the properties of the road surface which affect noise generation, and the methods that are currently available for the assessments of surfaces in Scotland (UK).

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Warm Mix Asphalt (WMA): Report on Leicester Roads trials

  • Date : 16 December 2009
  • Region : Africa and Middle East
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: This report and its appendixes form the basic framework for a new guideline on Warm Mix Asphalt (WMA) in South Africa.

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Growing Cooler (Executive Summary)

  • Date : 16 December 2009
  • Region : Americas
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: This book documents how key changes in land development patterns could help reduce vehicle greenhouse gas emissions. The authors make the case that one of the best ways to reduce vehicle travel is compact development: building places in which people can get from one place to another without driving.


Chapter by chapter, this book addresses the impacts of the following:

  • emerging market and policy trends on urban development;
  • vehicular travel on GHG emissions;
  • urban development on vehicular travel;
  • residential preferences on urban development and travel;
  • highway building on urban development and travel;
  • urban development on residential energy use;
  • the combination of urban development, transit enhancements, and roadway pricing on vehicular travel; and, finally
  • policy options to encourage compact development and reduce vehicular travel.

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Potential Impacts of Climate Change on US Transportation

  • Date : 16 December 2009
  • Region : Americas
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: The primary focus of this report is on the consequences of climate change for the infrastructure and operations of U.S. transportation.

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Driving and the Built Environment: The Effects of Compact Development on Motorized Travel, Energy Use, and CO2 Emissions

  • Date : 16 December 2009
  • Region : Americas
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: The primary purpose of this study is to examine the relationship between land development patterns, often referred to as the built environment, and motor vehicle travel in the United States and to assess whether petroleum use, and by extension GHG emissions, could be reduced through changes in the design of development patterns


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Cement Technology Roadmap 2009 - Carbon Emissions Reductions up to 2050

  • Date : 15 December 2009
  • Region : International
  • Type of Knowledge : Environment
  • Type of Resources : Overviews and activity reports

Short summary: This Roadmap produced by the International Energy Agency (IEA) and the WBCSD, is the first report of this type to cover a whole industry. It calls for strong national policies to activate known CO2 mitigation actions that the cement industry can take now to reduce its emissions. It also issues a call to action to develop commercially viable carbon capture and storage technologies as a method for further reducing global CO2 emissions from the cement industry.

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Leading Roads to Carbon Neutrality

  • Date : 09 December 2009
  • Region : International
  • Type of Knowledge : Environment
  • Type of Resources : Position papers

Short summary: The International Road Federation (IRF), in pursuit of its commitment to environmental conservation and as part of its contribution to worldwide efforts aimed at combating climate changes, has undertaken a research program intended to provide road contractors, governments and road industry professionals with a decision-making tool which helps reducing Greenhouse Gases (GHG) emissions from road infrastructure.

Download from here:
English version  French version 


Effluent Limitations Guidelines and Standards for the Construction and Development Point

  • Date : 27 November 2009
  • Region : International
  • Type of Knowledge : Environment
  • Type of Resources : Guidelines and manuals

Short summary: The U.S. Environmental Protection Agency (EPA) issued the Effluent Limitations Guidelines and Standards for the Construction and Development Point to control the discharge of pollutants from construction sites. This rule requires construction site owners and operators to implement a range of erosion and sediment control measures and pollution prevention practices to control pollutants in discharges from construction sites.

Download the document here

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