@article{ref1,
title="Multistate Work-Zone Crash Characteristics",
journal="ITE journal",
year="2002",
author="Chambless, J and Ghadiali, Adnan M. and Lindly, JK and McFadden, John",
volume="72",
number="5",
pages="46-50",
abstract="[Abstract unavailable]  <p>Language: en</p>",
language="en",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}