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Optimal Link Length Design for Departure Time-based Link Travel Time Information  

Kim, Jae-Jin (서울시립대학교 교통공학과)
No, Jeong-Hyeon (한양대학교 도시대학원)
NamGung, Seong (한국도로공사 도로교통기술원)
Park, Dong-Ju (서울시립대학교 교통공학과)
Publication Information
Journal of Korean Society of Transportation / v.25, no.2, 2007 , pp. 145-155 More about this Journal
Abstract
The objectives of this study aye to develop an on-line departure time-based travel time estimation method and to determine an optimal link length for the estimation. This study developed a link-based rolling horizon logic as the travel time estimation method. In order to determine an optimal link length, the information error of the travel time provision from the user's perspective was defined and employed as a selection criterion. It was found that, when the travel time aggregation size was set as five minutes, a link length of four kilometers gave the most accurate result.
Keywords
Spatial detection system; Departure time based; Travel time; Baysian Inference; Link length; AVI;
Citations & Related Records
Times Cited By KSCI : 4  (Citation Analysis)
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