For the most part, roads these days are typically built using asphalt, however a construction company by the name of VolkerWessels has decided that maybe we have been doing it all wrong, and that maybe what we really need are roads made out of plastic. The company has recently revealed their plans to create roads made out of recycled plastic....
http://arstechnica.co.uk/cars/2015/07/the-netherlands-might-trial-plastic-roads/

http://arstechnica.co.uk/cars/2015/07/the-netherlands-might-trial-plastic-roads/