@article{ref1,
title="A comparison of interchange planning, operations, and design in poland and the usa",
journal="Transportation research circular",
year="1998",
author="Tracz, M and Gaca, S and Leisch, J",
volume="",
number="E-C003",
pages="31:1-14",
abstract="This paper endeavors to give an overview comparison of interchange (and freeway) planning and design in Poland and the USA. First, a presentation of the Polish freeway and interchange development program is presented. This is followed by the planning, operation and design guidelines. Finally, a comparison with USA guidelines is presented with recommendations.<p />",
language="",
issn="0097-8515",
doi="",
url="http://dx.doi.org/"
}