I came across an article about a couple of Vermont engineering students who are developing technology that can better identify trouble spots and data to be used in road construction.
http://www.burlingtonfreepress.com/story/money/industries/2015/07/30/new-radar-uvm-looks-trouble-beneath-roads/30837539/ (http://www.burlingtonfreepress.com/story/money/industries/2015/07/30/new-radar-uvm-looks-trouble-beneath-roads/30837539/)