JDR Vol.12 No.2 pp. 272-286
doi: 10.20965/jdr.2017.p0272


Investigation of Traffic and Evacuation Aspects at Kumamoto Earthquake and the Future Issues

Yosuke Kawasaki*,†, Masao Kuwahara*, Yusuke Hara*, Takuma Mitani*, Atsushi Takenouchi*, Takamasa Iryo**, and Junji Urata**

*Graduate School of Information Sciences, Tohoku University
6-6-06 Aramaki aza aoba, Aoba-ku, Sendai, Miyagi 980-8579, Japan

Corresponding author

**Graduate School of Engineering, Kobe University, Kobe, Japan

October 3, 2016
February 28, 2017
Online released:
March 16, 2017
March 20, 2017
Kumamoto earthquake, probe data, urban congestion, evacuation demand

This study reports the results of the analysis of probe data, collected in the periods immediately before and after the foreshock in Kumamoto on April 14, 2016. Data were gathered under actual urban traffic conditions, and the traffic activity evaluated. The study also identifies any issues to be addressed in future, based on this analysis. The analytical results quantitatively show that movement from Fukuoka to central Kumamoto was impacted by closure of the Kyushu Expressway; it also shows that travel times during the day along alternative paths significantly increased, whilst congestion on highways decreased. The results show that locations such as shelters, supermarkets, and public baths were the beginning and end points of travel, thereby causing deviations from normal congestion patterns.

Cite this article as:
Y. Kawasaki, M. Kuwahara, Y. Hara, T. Mitani, A. Takenouchi, T. Iryo, and J. Urata, “Investigation of Traffic and Evacuation Aspects at Kumamoto Earthquake and the Future Issues,” J. Disaster Res., Vol.12, No.2, pp. 272-286, 2017.
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Last updated on Dec. 11, 2018