@article{ref1,
title="Literature Review of Highway-Railroad Grade Crossing Sight Distance Assumptions",
journal="ITE journal",
year="1999",
author="Knapp, KK",
volume="69",
number="11",
pages="5-",
abstract="The assumptions used by the American Association of State Highway and Transportation Officials (AASHTO) to calculate highway-railroad grade crossing sight distances and documents past research of alternatives to these assumptions are reviewed. The impacts of using alternative assumptions are discussed. A portion of the highway-railroad sight distance table in AASHTOs A Policy of the Geometric Design of Highways and Streets is recalculated.   <p>Language: en</p>",
language="en",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}