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Use of a Driving Simulator to Determine Optimum VMS Locations for Freeway Off-ramp Traffic Diversion  

Oh, Cheol (한양대학교 교통시스템공학과)
Kim, Tae-Hyung (한국교통연구원)
Lee, Jae-Joon (한국교통연구원)
Lee, Soo-Beom (서울시립대학교 교통공학과)
Lee, Chung-Won (서울시립대학교 교통공학과)
Publication Information
Journal of Korean Society of Transportation / v.26, no.1, 2008 , pp. 155-164 More about this Journal
Abstract
Variable Message Signs (VMS) is one of the major components for Intelligent Transport Systems (ITS) services that provides real-time traffic and incident information to drivers. The objective of this research was to develop a method determining the optimal location of VMS considering safety and driving characteristics of various drivers. A driving simulator was utilized to evaluate how drivers can safely exit to off-ramp depending on various VMS locations while information relating route diversion was provided. The binary logistic regression and factor analysis were applied in developing a probability model that predicts the success of safe off-ramp exiting. Based on the developed probability model, a method to estimate the spacing between VMS and off-ramp is suggested. It is expected that the products of this study would be utilized as a tool in determining VMS locations for ITS planners and designers.
Keywords
Driving Simulator; Variable Message Sign; Human Factor; Intelligent Transport Systems; Traffic Diversion;
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