The RRR method was adopted as the main restoration of the collapsed bypass due to the direct hit of the typhoon.

The stability and the maintenance against overtopping waves and wave power as well as the effects of earthquakes are considered.

• Reinforced soil wall height (m)　: 9.0
• Wall slope : 1:0.2 gradient
• Approximate wall area (m2) : 7,500

Under construction

Construction completed