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http://dx.doi.org/10.12815/kits.2018.17.4.41

Correction of Measured Traffic Volume on Expressways Using Optimization Model  

Kim, Dong ho (Dept. of Transportation Eng., Univ. of Seoul)
Park, Dong joo (Dept. of Transportation Eng., Univ. of Seoul)
Kim, Do gyeong (Dept. of Transportation Eng., Univ. of Seoul)
Shin, Seung jin (The Korea Transport Institute)
Publication Information
The Journal of The Korea Institute of Intelligent Transport Systems / v.17, no.4, 2018 , pp. 41-53 More about this Journal
Abstract
This study developed the optimization method to correct the measured traffic volume of the expressway that minimizes the measurement error and satisfies the traffic balancing with TCS. For this purpose, the model constructed in this study was compared and verified with the true traffic volume. Verification result of the model, it was found that the measurement error is reduced when the measured traffic volume is corrected for the traffic volume balance. As a result of applying it to 40 links of the Kyoungbu expressway, the measured traffic volume was corrected by -8.1%~9.6% and the measurement error was decreased as much as the corrected traffic volume. This research is meaningful in improving the accuracy of the measured traffic volume of the expressway, while the scale and role of the expressway are increasing.
Keywords
Traffic Volume Correction; Traffic Volume Balancing; Optimization Model; Annual Traffic volume Report; TCS(Toll Collection System);
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