Building Environmentally and Economically Sustainable Transportation Infrastructure: Green Highway Rating System

A rating system is introduced that employs life-cycle analysis techniques to provide a quantitative assessment of the environmental and economic sustainability of highway designs. Energy consumption, greenhouse gas emissions, life-cycle cost, and other factors are considered. On the basis of the score received, a design is assigned a label commensurate with the level of sustainability achieved. Analysis of a pilot project shows that relatively...