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http://dx.doi.org/10.12815/kits.2017.16.6.29

Deriving Macroscopic Fundamental Diagrams Using Probe Vehicle Data Based on DSRC  

Shim, Jisup (The Cho Chun Shik Graduate School of Green Transportation, KAIST)
Yeo, Jiho (The Cho Chun Shik Graduate School of Green Transportation, KAIST)
Lee, Sujin (The Cho Chun Shik Graduate School of Green Transportation, KAIST)
Jang, Kitae (The Cho Chun Shik Graduate School of Green Transportation, KAIST)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.16, no.6, 2017 , pp. 29-41 More about this Journal
Abstract
In this study, we used individual trip data to estimate a macroscopic fundamental diagram (MFD) that relates flow (or production) to density (or state) in Daegu metropolitan city. The individual trip data were generated by processing data that were collected from DSRC-based (dedicated short range communication) traffic data collection system. Using the processed individual trip data, we first examined whether the assumptions for MFD are valid, and then the relation between outflow and accumulation was estimated in our study site. As a result, we found that i) the assumptions are valid to construct MFD; and ii) the reproducible and well-defined MFDs exist in the network level.
Keywords
Macroscopic Fundamental Diagram, MFD; Individual Trip Data; DSRC;
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