@article{ref1,
title="Speed profiles: a method for analyzing speed adaptation by car drivers",
journal="Transportation research circular",
year="2000",
author="Karlgren, J",
volume="",
number="E C019",
pages="8 p.-8 p.",
abstract="If speeds of cars are measured continuously over segments of a street, a speed profile can be produced and can illustrate how motorists adapt their driving speed to the geometrical design and general appearance of the street. This allows a direct assessment of specific speed reducing measures.<p />",
language="",
issn="0097-8515",
doi="",
url="http://dx.doi.org/"
}