Some important links:

A Guidebook for Sustainability Performance Measurement for Transportation Agencies. NATIONAL COOPERATIVE HIGHWAY RESEARCH PROGRAM.
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Developing Harmonised European Approaches for Transport Costing and Project Assessment. HEATCO.  Go to
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Interactive Highway Safety Design Model (IHSDM). Federal Highways Administration Research and Technology. Go to
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FIDIC report – state of the world 2012 Sustainable Infrastructure Download
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