Abstract
When a large earthquake occurs, a traffic flow occurs for rescue, emergency, medical care, supply of supplies, restoration work of the facility, confirmation of family safety, volunteer and so on. However, it does not understand the traffic volume and transportation method necessary to consider transportation measures. In this study, inter-regional traffic flow after the occurrence of the Kumamoto earthquake occurred in 2016 will be analyzed using mobile space statistics, one of traffic big data, and the relationship between the characteristics of traffic flow and the recovery situation of highway, railway, airline is discussed. In addition, an internet survey is conducted to grasp the period of visit to the afflicted area, visiting purpose, transportation transportation, occupation etc. Based on the above results, the importance of recovery of early trunk line traffic function is pointed out as a response to disasters.