Application of Macroscopic Fundamental Diagram under Flooding Situation to Traffic Management Measures

Piyapong Suwanno, Rattanaporn Kasemsri, Kaifeng Duan and Atsushi Fukuda
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Piyapong Suwanno: College of Industrial Technology and Management, Rajamangala University of Technology Srivijaya, Nakhon Si Thammarat 80210, Thailand
Rattanaporn Kasemsri: School of Civil Engineering, Suranaree University of Technology, Nakhon Ratchasimat 30000, Thailand
Kaifeng Duan: Department of Transportation Systems Engineering, College of Science and Technology, Nihon University, Chiba 274-8501, Japan
Atsushi Fukuda: Department of Transportation Systems Engineering, College of Science and Technology, Nihon University, Chiba 274-8501, Japan

Sustainability, 2021, vol. 13, issue 20, 1-15

Abstract: Bangkok, Thailand is prone to flooding after heavy rain. Many road sections become impassable, causing severe traffic congestion and greatly impacting activities. Optimal vehicle management requires the knowledge of flooding impact on road traffic conditions in specific areas. A method is proposed to quantify urban flood situations by expressing traffic conditions in specific ranges using the concept of macroscopic fundamental diagram (MFD). MFD-based judgement allows for a road manager to understand the current traffic situation and take appropriate traffic control measures. MFD analysis identified traffic flow–density and density–velocity relationships by using the shape of the estimated MFD travel time-series plots. Then, results were applied to develop a traffic model with vehicle-flow parameters as a measuring method for road-network performance. The developed model improved road-network traffic-flow performance under different flood conditions. A method is also presented for traffic management evaluation on the assumption that flooding occurs.

Keywords: macroscopic fundamental diagram; urban flooding; mesoscopic model; dynamic traffic assignment (search for similar items in EconPapers)
JEL-codes: O13 Q Q0 Q2 Q3 Q5 Q56 (search for similar items in EconPapers)
Date: 2021
References: View references in EconPapers View complete reference list from CitEc
Citations: View citations in EconPapers (2)

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