@article{ref1,
title="A decision model for junction improvement schemes",
journal="Proceedings of the Institution of Civil Engineers: Transport",
year="2007",
author="Labib, A. and Roberts, M. and Vassou, V.",
volume="160",
number="1",
pages="33-34",
abstract="<p>[Abstract unavailable]</p>",
language="",
issn="0965-092X",
doi="10.1680/tran.2007.160.1.33",
url="http://dx.doi.org/10.1680/tran.2007.160.1.33"
}