1. Al-Hadidy AI, Yi-qiu T (2009) Effect of polyethylene on life of flexible pavements. J Constr Build Mater 23(1456):1464
2. Austoroads (2009) Guide to pavement technology: part 4E: recycled materials. Publication No. AGPT04E/09, Project No. TP1565, Austroads, Melbourne, Australia
3. Chambers N, Simmons C, Wackernagel M (2004) Sharing nature’s interest: ecological footprints as an indicator of sustainability. Sterling Earthscan, London, Great Britain
4. Chehovits J, Galehouse L (2010) Energy usage and greenhouse gas emissions of pavement preservation processes for asphalt concrete pavements. In: Proceedings on the 1st international conference of pavement preservation, Newport Beach, California, pp 27–42
5. European Environment Agency (EEA) (2013) EMEP/EEA air pollutant emission inventory guidebook—2013. http://www.eea.europa.eu/publications/emep-eea-guidebook-2013