auto-translate Nakashima River bypass section plan
Torrential rains hit around Nagasaki City 7/23/1982 1 hour maximum rainfall 127.5 mm, 3 hours continuous rainfall 313 mm and Nagasaki marine Observatory ever recorded maximum rainfalls and the Nagasaki City Center resulted in unprecedented flood damage.
To leaving designated as 'sofuku"flooding to falling safely established the tunnel channel (bypass) on both sides.
Bypass on MLIT Nakashima River Park and urban roads.
hamanobakeneko almost 4 years