Improving access from urban to industrial areas

Tunnels Solutions

The Busan-Geoje Fixed Link connects the island of Geoje with the large city of Busan in the southern part of South Korea, improving access from the city to the industrial and recreational areas on the Island. Two of the world’s largest shipyards are located on Geoje Island. The link is an important connection for motorists, reducing travel time from three hours to under one hour. 

The link comprises three major elements: one of the world's deepest and longest immersed tunnels and two long-span cable-stayed bridges. 

The total length of the immersed tunnel is around 3,5 kilometres, with two 170 metre long cut and cover sections at both ends. Designed to withstand typhoons with wave heights of 15 metres, not only was it the first immersed tunnel ever built in Korea, it also became the -deepest immersed vehicle tunnel in the world.  

The bridge section includes a two-pylon cable-stayed bridge with a main span of 475m, and a three-pylon cable stayed bridge with two main spans of 230m respectively.

Get in contact

Tommy Olsen

Tommy Olsen
Major Tunnels Market Director / Head of Sustainability Transportation International
Tunnels and Underground Infrastructure, Denmark

Tel: +45 28431017

Get in contact

Jesper Asferg
Senior Vice President
Transport and Urban Planning, Norway

Tel: +47 909 21 540




Daewoo Engineering & Construction Co. Ltd.


Cable Stay Bridges:

  • Basic Design
  • Detailed Design
  • Technical follow-up during construction

Immersed Tunnel:

  • Basic design
  • Detailed Design of permanent structures and foundations
  • Detailed Design of scour protection and marine works
  • Detailed Design of mechanical and electrical works
  • Detailed Design of temporary works
  • Technical follow-up during construction.