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The Most Commonly Recycled Material? Asphalt

8th Annual Industry Survey on the Use of Recycled Materials and WMA (2017 Construction Season)The latest NAPA/FHWA survey of asphalt producers' use of recycled materials and warm-mix asphalt finds that more than 78 million tons of recycled materials — mostly reclaimed asphalt pavement and recycled asphalt roofing shingles — were put to use in new asphalt pavements during 2017. The same survey found that nearly 39 percent of all asphalt pavement mixture produced during the 2017 construction season was produced using energy-saving warm-mix asphalt technologies.


The survey, conducted by NAPA in partnership with FHWA for each construction season since 2009, found that more than 147 million tons of WMA was produced in 2017. In 16 states, more than half of all asphalt pavement mixture was produced as WMA; in eight of those states, more than 75 percent of asphalt pavement mixture was produced using WMA technologies.


The survey also found that more than 76.2 million tons of reclaimed asphalt pavement (RAP) and nearly 950,000 tons of recycled asphalt roofing shingles (RAS) were used in new asphalt pavement mixes in the United States during in 2017. Reclaiming and reusing the asphalt cement in RAP and RAS saved more than $2.2 billion in 2016 compared to the use of virgin materials and saved nearly 50 million cubic yards of landfill space from reclaiming RAP alone.


A full copy of the survey, including appendixes with state-by-state data, can be downloaded from www.AsphaltPavement.org/recycling.