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An Estimation of Congestion Pricing Using Speed-Flow Relationship (Gangbyeon Expressway)  

Gang, Gyeong-U (한양대학교 교통시스템공학과)
Guk, U-Gak (한양대학교 교통시스템공학과)
Publication Information
Journal of Korean Society of Transportation / v.24, no.2, 2006 , pp. 31-41 More about this Journal
Abstract
The main purpose of this paper is to develop the practical method to estimate the congestion price in odor to overcome the difficulty of traditional microeconomics approach for demand and cost function concepts. In this paper, we estimate the theoretical congestion toll which reflecting the real traffic conditions such as a speed-density functions using a traffic engineering methods We calculates the optimal congestion toll based on the real traffic conditions assuming that the electronic road pricing (ERP) systems ave installed for the study road. After evaluating the various speed-density relationship methods. we found that the Drake model is best suited for the Gangbyeon Expressway Using the Drake model, the optimal congestion toll will be 94 to 3,255 Won for the traffic speed between 44km/h to 68 km/h based on wage rate method and 107 to 6,381 Won for the marginal substitution method for the Gangbyeon Expressway in city of Seoul, Korea.
Keywords
Congestion pricing; Drake model; Speed-flow relationship; Gangbyeon Expressway; ERP;
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