@article{ref1,
title="A practitioner's perspective on flexible design",
journal="Transportation research circular",
year="2000",
author="Brewer, J.",
volume="",
number="501",
pages="4 p.-4 p.",
abstract="This paper presents the author's opinion on the current topic of flexibility in roadway design. It is based on his experience of 32 years as a practitioner in the field of transportation engineering. Recently there has been much discussion about the term &quot;flexibility in design.&quot; Some have attempted to place design professionals in either a &quot;pro&quot; or &quot;con&quot; group. You can decide for yourself if the author fits in one or both of the groups.<p />",
language="",
issn="0097-8515",
doi="",
url="http://dx.doi.org/"
}