@article{ref1,
title="Traffic Control at Freeway Work Sites",
journal="Journal of transportation engineering",
year="1983",
author="Nemeth, ZA and Rouphail, Nagui M.",
volume="109",
number="1",
pages="1-15",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0733-947X",
doi="",
url="http://dx.doi.org/"
}