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Methodology for Determining RSE Spacing for Vehicle-Infrastructure Integration(VII) Based Traffic Information System (Focused on Uninterrupted Traffic Flow)  

Park, Jun-Hyeong (한양대학교 교통시스템공학과)
O, Cheol (한양대학교 교통시스템공학과)
Im, Hui-Seop (한양대학교 교통시스템공학과)
Gang, Gyeong-Pyo (한국교통연구원 첨단교통연구실)
Publication Information
Journal of Korean Society of Transportation / v.27, no.6, 2009 , pp. 29-44 More about this Journal
Abstract
A variety of research efforts, using advanced wireless communication technologies, have been made to develop more reliable traffic information system. This study presents a novel decentralized traffic information system based on vehicle infrastructure integration (VII). A major objective of this study was also to devise a methodology for determining appropriate spacing of roadside equipment (RSE) to fully exploit the benefits of the proposed VII-based traffic information system. Evaluation of travel time estimation accuracy was conducted with various RSE spacings and the market penetration rates of equipped vehicle. A microscopic traffic simulator, VISSIM, was used to obtain individual vehicle travel information for the evaluation. In addition, the ANOVA tests were conducted to draw statistically significant results of simulation analyses in determining the RSE spacing. It is expected that the proposed methodology will be a valuable precursor to implementing capability-enhanced next generation traffic information systems under the forthcoming ubiquitous transportation environment.
Keywords
Traffic Information System; Vehicle-Infrastructure Integration; Link travel time; Market Penetration Rate; Individual vehicle trajectory;
Citations & Related Records
Times Cited By KSCI : 3  (Citation Analysis)
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