Environmental Sustainability of Pavement Materials
For asphalt systems, concrete had lower CO 2 e* emissions. For 20% recycled asphalt content, asphalt slightly better Scenario analysis for different roadway types and capacities, also 0% and 20% recycled asphalt content in asphalt mixes Zhang et al 2007 Overlay: Construction, materials, and traffic over a 40-year service life for ...