@article{ref1,
title="Signing for two-lane exit ramps",
journal="ITE journal",
year="1990",
author="Leisch, J.",
volume="60",
number="4",
pages="41-42",
abstract="Three signs are described and illustrated which could be possible alternatives toward developing a standard format for 2-lane exit signs at interchanges with crossing arterials. The formats are discussed, and it is hoped that it will stimulate thought and research so that an appropriate guideline, and possibly a policy can be established.<p />",
language="",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}