@article{Rangel2013529, title = "The influence of economic incentives linked to road safety indicators on accidents: The case of toll concessions in Spain ", journal = "Accident Analysis \& Prevention ", volume = "59", number = "0", pages = "529 - 536", year = "2013", note = "", issn = "0001-4575", author = "Thais Rangel and Jose Manuel Vassallo and Israel Herraiz", }