Citation

Suwanno P, Jitpat P, Kasemsri R, Aditya B, Fukuda A. J. Traffic Transp. Eng. (Valley Cottage, NY) 2020; 8(1): e3.

Copyright

(Copyright © 2020, David Publishing)

DOI

10.17265/2328-2142/2020.01.003

PMID

unavailable

Abstract

Impact of flood depth on traffic volume in two different zones of the Bangkok road network was investigated using traffic data obtained from probe vehicle trajectories. A Macroscopic Fundamental Diagram (MFD) was utilized to compare traffic flow rates across two road network zones in the city for a variety of flood depths, namely 0-5 cm, 5-10 cm, 10-15 cm, 15-30 cm, and more than 30 cm.

RESULTS of empirical analysis over an observation period of one year as 2019 showed that flood depths had a strong correlation with the MFD parameters of free-flow speed, maximum flow, and traffic jam density. In particular, road floods greatly reduced average maximum flow across the inner city road network in Bangkok. Road floods had a significant impact on traffic characteristics of urban road networks.

Language: en