Paper Title:

An Overview of the Usage of Adaptive Signal Control System in the United States of America

Periodical Applied Mechanics and Materials (Volumes 178 - 181)
Main Theme Sustainable Environment and Transportation
Chapter Chapter 10: Traffic Control and Information Technology
Edited by Mingjin Chu, Huizhong Xu, Zhilin Jia, Yun Fan and Jiangping Xu
Pages 2591-2598
DOI 10.4028/
Citation Yi Zhao et al., 2012, Applied Mechanics and Materials, 178-181, 2591
Online since May 2012
Authors Yi Zhao, Zong Tian
Keywords ACS Lite, Adaptive Signal Control System, OPAC, RHODES, SCATS, SCOOT
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The primary objective of this paper is to provide a comprehensive overview of state-of-the-art and state-of-the practice of ATCSs. The review focuses on the following major aspects: (1) commonly deployed ATCSs in the U.S. and other countries; (2) features and functions of different ATCSs; and (3) evaluation studies based on field tests or laboratory simulation. According to the published literature, the majority of system deployments resulted in significantly improved traffic operations compared to traditional time-of-day coordination plans. Besides, based on the number of system deployments, SCOOT has the largest world-wide deployments, while SCATS has the largest U.S. deployments. Considering the costs of the deployment, ACS Lite was the lowest, while SCOOT was the highest.