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http://dx.doi.org/10.12652/Ksce.2011.31.3D.355

A Dynamic OD Construction Methodology using Vehicle Trajectory in Ideal C&R Communication Environment  

Lee, Jungwoo (한국도로공사 스마트하이웨이사업단)
Choi, Keechoo (아주대학교 환경건설교통공학부)
Park, Sangwook (한국도로공사 스마트하이웨이사업단)
Son, Bumsoo (한국도로공사 산청지사)
Publication Information
KSCE Journal of Civil and Environmental Engineering Research / v.31, no.3D, 2011 , pp. 355-361 More about this Journal
Abstract
In order to properly evaluate ITS services exposed in SMART Highway project, a confident dynamic origin-destination (OD) is inevitably needed. This paper used WAVE communication information as a part of call and response (C&R) communication which constitutes core part of the technology for constructing OD. This information includes node information and vehicle information (e.g., latitude and longitude) as well as trajectory data and sample path volume date calculated using node information and vehicle information. A procedure developed to construct a dynamic OD and to validate OD is consist of 1) making toy network and one-hour 00 (random distribution), 2) collecting link information and vehicle information, 3) constructing five-minute OD, and 4) validating estimated OD result using traffic volume and travel time simultaneously. The constructed OD is about 84.79% correct within less than 20% error range for 15min traffic volume, and about 85.42%, within less than 20% error rate of 15 min travel time. Some limitations and future research agenda have also been discussed.
Keywords
smart highway; dynamic OD; C&R communication; WAVE communication; path volume construction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
연도 인용수 순위
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