@article{ref1,
title="Unconventional Left-Turn Alternatives for Urban and Suburban Arterials - Part One",
journal="ITE journal",
year="1998",
author="Hummer, Joseph E.",
volume="68",
number="9",
pages="26-29",
abstract="A discussion of the different reasons for engineers to consider unconventional left-turn alternatives for congested suburban alterials is provided. Three alternatives are considered, namely, the median U-turn, the bowtie, and the superstreet. Four more unconventional alternatives are also described.   <p>Language: en</p>",
language="en",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}