Using Connected Vehicle Technology for Advanced Signal Control Strategies

David Kari, Guoyuan Wu and Matthew Barth

Institute of Transportation Studies, Working Paper Series from Institute of Transportation Studies, UC Davis

Abstract: For arterial roadways, most Active Traffic and Demand Management (ATDM) strategies focus on traffic signal timing optimization at signalized intersections. A critical drawback of conventional traffic signal control strategies is that they rely on measurements from point detection, and estimate traffic states such as queue length based on very limited information. The introduction of Connected Vehicle (CV) technology can potentially address the limitations of point detection via wireless communications to assist signal phase and timing optimization. In this project report, the authors present an agent-based online adaptive signal control (ASC) strategy based on real-time traffic information available from vehicles equipped with CV technology. The authors then evaluate the proposed strategy in terms of travel delay and fuel consumption, relative to a Highway Capacity Manual (HCM) based method in which hourly traffic demand is assumed to be known accurately a priori. The Connected Vehicle Adaptive Signal Control (CV-ASC) strategy is applied to an isolated traffic intersection as well as to a corridor of traffic intersections. The baseline signalization strategy for the corridor of traffic intersections is coordinated signal control. Study results indicate that for both the isolated intersection and corridor contexts, the proposed strategy outperforms the HCM based method and is very robust to traffic demand variations. View the NCST Project Webpage

Keywords: Engineering; Advanced traffic management systems; Exhaust gases; Mobile communication systems; Optimization; Signalized intersections; Traffic flow; Traffic signal control systems; Travel time; Vehicle to infrastructure communications; Vehicle to vehicle communications (search for similar items in EconPapers)
Date: 2016-07-01
References: View complete reference list from CitEc
Citations: View citations in EconPapers (1)

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