Immersed tunnels

Photo: COWI

Take a tour of selected projects that COWI is carrying out or has completed in the field of immersed tunnels.

Immersed tunnel for the Hong Kong-Zhuhai-Macao fixed link 

Busan-Geoje immersed tunnel, South Korea  

Marieholm immersed tunnel, Gothenburg, Sweden (pdf)

Maracaibo 2nd fixed link project, immersed tunnel, Venezuela (pdf)


New crossing at Frederikssund, Denmark (pdf)

Söderström Tunnel, Stockholm, Sweden (pdf)

Limerick immersed tunnel, Ireland (pdf)

Lyon line B extension, France (pdf)


Coatzacoalcos immersed tunnel, Mexico (pdf)

Bjørvika immersed tunnel, Norway (pdf)

Copenhagen Harbour Tunnel, Denmark (pdf)

Fourth Victoria Harbour immersed tunnel, Hong Kong (pdf)

Bosphorus tube crossing, Turkey (pdf)

Preveza-Aktio crossing, Greece (pdf)

Fehmarn Belt, tunnel feasibility study, Denmark-Germany (pdf)

Øresund Link, Denmark-Sweden (pdf)

Elsinore-Helsingborg Tunnel, Denmark-Sweden (pdf)

Great Belt Tunnel, tender design of immersed tunnels, Denmark (pdf)

Conwy Tunnel, United Kingdom, (pdf)



LAST UPDATED: 15.03.2017