@article{ref1,
title="Red Turn Arrow: Safety Analysis -- Discussion",
journal="Journal of transportation engineering",
year="1984",
author="Kullback, S and Keegel, J",
volume="110",
number="6",
pages="571-572",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0733-947X",
doi="",
url="http://dx.doi.org/"
}