• Location          

  Daegok-ri, Burim-myeon, Uiryeong-gun, Gyeongsangnam-do ~ Sinam-ri, Namji-eup, Changnyeong-gun, Gyeongsangnam-do

• Description

•  Total L = 6,440m

•  6 Tunnels, L = 3,559m

•  7 Bridges, L = 1,605m

• Technical Issues

•  Plan of tunnel portal to improve tunnel stability by avoiding fault zone and soil layer

•  Expanding the width of the road shoulder (2.5→3.0m) to improve driving safety in the continuously placed tunnels

•  Installing mitigation facilities of whitehole and blackhole effect to improve driving safety in the continuously placed tunnels

•  Improvement of disaster prevention facilities for easy evacuation of the elderly drivers and fast response in the initial stages of fire