Yashio City's collapse signals a time bomb for the "river basin sewerage system"

toyokeizai.net

Factuality

Ownership

Yashio City's collapse signals a time bomb for the "river basin sewerage system"

As explained in the first part, the road collapse accident in Yashio City, Saitama Prefecture, is expected to take a long time to repair due to the large amount of water that has collected at the site. The area near the site is prone to inland flooding (urban flooding), and frequent torrential rains occur in the summer.