@article{ref1,
title="Impacts of design exceptions on highway safety",
journal="International journal of transportation",
year="2017",
author="Stamatiadis, Nikiforos and Psarianos, Basil",
volume="5",
number="1",
pages="1-14",
abstract="<p>[Abstract unavailable]</p> <p>Language: en</p>",
language="en",
issn="2287-7940",
doi="",
url="http://dx.doi.org/"
}