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Flooding of Parking Area: Heavy Rain Countermeasures for Underground Spaces Urgently Needed

89 21
05.10.2025

Editorial

15:48 JST, October 3, 2025

Heavy rains that exceeded predictions have struck various regions in Japan, and the risk of flooding is heightened in parking areas, stores and other facilities located underground. Inspections must be conducted in every facility to determine whether preparations have been sufficiently made and measures must be taken.

On the night of Sept. 12, record-breaking heavy rain fell in the city of Yokkaichi, Mie Prefecture, resulting in flood damage to an underground parking area developed by the Land, Infrastructure, Transport and Tourism Ministry and a city-funded management company. The second basement level was completely submerged, while the first basement level was flooded up to a height of 1 meter, leaving 274 vehicles waterlogged.

There have been difficulties in removing the submerged vehicles from the parking area,........

© The Japan News