@article{ref1,
title="Single-Point Interchanges: A Safety Auditor's Perspective",
journal="ITE journal",
year="2004",
author="Gibbs, M. and Chan, B. and Zein, SR",
volume="74",
number="6",
pages="22-27",
abstract="The single-point interchange typically is implemented where limited land is available for an interchange. To meet space constraints, single-point interchange design may incorporate multiple elements based on minimum design standards or guidelines. Combinations of minimum standards for design elements may increase the risk of collision.   <p>Language: en</p>",
language="en",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}