@article{ref1,
title="Online implementation and evaluation of weather-responsive coordinated signal timing operations",
journal="Transportation research record",
year="2015",
author="Chen, Ying and Mahmassani, Hani S. and Hong, Zihan and Hou, Tian and Kim, Jiwon and Halat, Hooram and Alfelor, Roemer M.",
volume="2488",
number="",
pages="71-86",
abstract="This paper presents the development and application of weather-responsive traffic management strategies and tools to support coordinated signal timing operations with traffic estimation and prediction system (TREPS) models. First, a systematic framework for implementing and evaluating traffic signal operations under severe weather conditions was developed, and activities for planning, preparing, and deploying signal operations were identified in real-time traffic management center (TMC) operations. Next, weather-responsive coordinated signal plans were designed and evaluated with the TREPS method and a locally calibrated network. Online implementation and evaluation was conducted in Salt Lake City, Utah--the first documented online application of TREPS to support coordinated signal operation in inclement weather. The analysis results confirm that the deployed TREPS, which is based on DYNASMART-X, is able to help TMC operators test appropriate signal timing plans proactively under different weather forecasts before deployment and is capable of using real-time measurements to improve the quality and accuracy of the system's estimations and future predictions through detectors and roadside sensor coverage.<p />",
language="en",
issn="0361-1981",
doi="10.3141/2488-08",
url="http://dx.doi.org/10.3141/2488-08"
}