[1] http://www.shinglerecycling.org/content/economics-shingle-recycling

[2] National Asphalt Pavement Association, “Asphalt Pavement Industry Survey on Recycled Materials and Warm-Mix Asphalt Usage 2016,  National Asphalt Pavement Association, Report IS 138, 2017. [Online] Available: http://www.asphaltpavement.org/PDFs/IS138/IS138-2016_RAP-RAS-WMA_Survey_... [Accessed: April 1, 2018].

[3] Texas A&M Transportation Institute, “Characterization and Best Use of Recycled Asphalt Shingles in Hot-Mix Asphalt, Texas Transportation Institute, Report 0-6614-2, 2013. [Online]. Available: https://static.tti.tamu.edu/tti.tamu.edu/documents/0-6614-2.pdf. [Accessed: April 8, 2018].

[4] Wu, M., Li, R., Zhang, Y., Fan, L., Lv, Y. and Wei, J. (2015). “Stabilizing and reinforcing effects of different fibers on asphalt mortar performance. Petroleum Science , 12(1), pp.189-196.

[5] Hilkevitch, J. (2018).  Getting Around: Old shingles get new life on O'Hare runway. [online] chicagotribune.com. Available at: http://www.chicagotribune.com/news/columnists/ct-ohare-recycled-runways-... [Accessed 21 Apr. 2018].

[6] VTrans (2018). Personal communication from N. Van Den Berg, Vermont Agency of Transportation, Montpelier, Vermont.

[7] Wisconsin DNR (2018). Personal communication from C. Lamensky, Wisconsin Department of Natural Resources, Madison, Wisconsin.

[8] NYSDOT, “The Use of Reclaimed Asphalt Shingles (RAS) in the Production of Asphalt Mixtures,” New York State Department of Transportation, Engineering Instruction 15 – 007, 2015. [Online]. Available: https://www.dot.ny.gov/portal/pls/portal/mexis_app.pa_ei_eb_admin_app.sh... [Accessed 26 Apr. 2018].

[9] DelDOT (2018). Personal communication from S. Biddle, Delaware Department of Transportation, Dover, Delaware.

[10] Iowa State University Institute for Transportation, “Performance of Recycled Asphalt Shingles in Hot Mix Asphalt,” 2013. [Online]. Available: http://www.intrans.iastate.edu/tpf-5-213/documents/Performance-of-Recycl.... [Accessed: April 8, 2018].

[11] Center for Advanced Infrastructure and Transportation, “Mixing and Compaction Reccomendation for Warm Mix Asphalt (WMA) with Recycled Aspahtl Shingles (RAS),” submitted by Bennert, T., 2017. [Online]. Available: https://cait.rutgers.edu/files/CAIT-UTC-028-Final.pdf [Accessed: April 11, 2018].

[12] U.S. Green Building Council, “Improvement of Porous Pavement, Chapter 3: Use of Recycled Asphalt Shingles (RAS) in Porous Asphalt Pavement,” Prepared by Wang, Y., Wang, G., 2011. [Online]. Available: https://www.usgbc.org/Docs/Archive/General/Docs9915.pdf. [Accessed: April 8, 2018]. 

[13] VDEC (2018). Personal communication from S. Surwilo, Vermont Department of Environmental Conservation, Montpelier, Vermont.

[14] http://www.shinglerecycling.org/content/markets-recycling-asphalt-shingles

[15] Owens Corning, “Asphalt Roofing Shingles into Energy Project Summary  Report, Investigation of Asphalt Shingle Use In Energy Recovery And Other Beneficial Reuse Applications,” 2008. [Online]. Available: https://www.osti.gov/biblio/927606

[16] Townsend, Powell, Xu. 2007. “Environmental Issues Associated With Asphalt Shingle Recycling.” Prepared for the Construction Materials Recycling Association.