@article{ref1,
title="Traffic Signal Clearance Intervals",
journal="ITE journal",
year="2004",
author="Tarnoff, PJ",
volume="74",
number="4",
pages="20-24",
abstract="An overview is given of the underlying principles of traffic signal clearance interval usage as well as issues associated with their application. As a result of their potential impact on intersection safety and operations, clearance intervals should receive significant attention as an operating issue within agencies responsible for traffic signal timing.<p />",
language="",
issn="0162-8178",
doi="",
url="http://dx.doi.org/"
}