@article{ref1,
title="Rainfall invisibility -- the view from behind the wheel",
journal="Journal of safety research",
year="1975",
author="Ivey, DL and Button, JW and Lehtipuu, EK",
volume="7",
number="4",
pages="156-169",
abstract="The factors influencing wet weather accidents are complex, a fact sometimes ignored during the current popularity of blaming low tire pavement friction for most wet weather accident problems.  A factor of significance is visibility, as influenced not only by rainfall intensity.  But to a great extent by traffic speed.  This report presents a number of direct visibility observations and develops a framework useful in interpreting these data to determine the influence of reduced visibility on the operation of motor vehicles.  Information for the literature shows the low probability of high-intensity rain falls.  Conclusions concerning the hazard of passing maneuvers during rainfall of 1 inch per hour or more, and the need to reduce speed under wet weather conditions, are also presented.<p />",
language="en",
issn="0022-4375",
doi="",
url="http://dx.doi.org/"
}