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Open AccessArticle

Dynamically Determining the Toll Plaza Capacity by Monitoring Approaching Traffic Conditions in Real-Time

1
Department of Civil and Environmental Engineering, Seoul National University, Seoul 151-744, Korea
2
School of Civil, Architectural and Environmental Engineering, Korea University, Seoul 136-713, Korea
3
California Department of Transportation, Operations, Oakland, CA 94612, USA
*
Authors to whom correspondence should be addressed.
Academic Editor: Wen-Hsiang Hsieh
Appl. Sci. 2016, 6(3), 87; https://doi.org/10.3390/app6030087
Received: 4 January 2016 / Revised: 4 March 2016 / Accepted: 9 March 2016 / Published: 18 March 2016
This study presents an analytical method for dynamically adjusting toll plaza capacity to cope with a sudden shift in demand. The proposed method uses a proxy measure developed using discharge rate observed at toll plazas and segment travel times measured by probe vehicles. The effectiveness of the method has been evaluated by analyzing the empirical data obtained from toll plazas in the San Francisco Bay Area before and after toll plaza capacity changed. Findings indicate that the estimated number of vehicles stored near the upstream of toll plaza based on discharge rate and their travel times can be used as a proxy measure for predicting the effect of changes in toll plaza capacity. The proposed model can aid government agencies to dynamically adjust the toll plaza capacity in response to a sudden shift in demand due to various situations of failure. View Full-Text
Keywords: analytical model; toll plaza capacity; traffic conditions; proxy measure analytical model; toll plaza capacity; traffic conditions; proxy measure
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MDPI and ACS Style

Kim, C.; Kim, D.-K.; Kho, S.-Y.; Kang, S.; Chung, K. Dynamically Determining the Toll Plaza Capacity by Monitoring Approaching Traffic Conditions in Real-Time. Appl. Sci. 2016, 6, 87.

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