トンネルの予防保全型管理_トンネル予防保全計画の概要 [698KB] 30年後（平成56年度）の高齢化状況_山岳トンネル
Dataset description
Data description
API
Press "POST" to display the detailed specifications of the API. Next, you can try the API from the screen by pressing "Try it out" button. Then you can send the request by pressing "Execute" button.
Base URL
https://service.api.metro.tokyo.lg.jp