About KATO HIROKAZU
About driver license
About elderly person
About public transportation
About region
About traffic safety
About transit(traffic)
About traffic economy
About depopulation
About underpopulated district
About fixed-routed bus
About taxi
About taxi transportation
About aging society with a falling birthrate
About traffic policy
About old age driver
About regional traffic planning
About Road transportation and service in general
About Driver
About Motor vehicle accidents,traffic safety
About Urban planning in general,urban economics
About 自動車
About 免許
About 政策
About 事業
About 自治体
About 状況