Construction of the Fehmarnbelt tunnel began in 2020. Here you will find an overview of the construction phases.
Experience the construction project at close hand
Visit our exhibition centres in Rødbyhavn and Burg and come close to the construction of the world’s longest immersed tunnel
We’re building alongside nature
We take nature and the environment into account when building the Fehmarnbelt tunnel. This applies to the extensive construction work and the operation of the completed tunnel.
News
October 5 2026
Sund & Bælt and Odense Port enter exclusive agreement on future partnership for Fehmarnbelt project facilities
An agreement on an exclusive negotiation process between Sund & Bælt and Odense Port is set to lead to a partnership regarding the development and operation of the Fehmarnbelt Tun-nel’s production facilities at Rødbyhavn on the Danish island of Lolland.
Read more news here
Why we're building the Fehmarnbelt tunnel
Efficient transport corridor
The Fehmarnbelt tunnel will remove a bottleneck, reduce travel time and strengthen links between Scandinavia and Central Europe.
Time-saving
When the Fehmarnbelt tunnel is completed, the journey between Rødbyhavn and Puttgarden will take 7 minutes by train and 10 minutes by car.
A shortcut to Central Europe
The Fehmarnbelt tunnel plays a key role in the future European transport network and will boost the transport of freight by electric trains.
How we are building the world's longest immersed tunnel
Step by step, the 18 km long immersed tunnel at the Fehmarnbelt is taking shape.
Are you Pontoon Pro?
Test your construction skills in the game “Pontoon Pro”, where you have to immerse as many tunnel elements as possible in all kinds of weather and avoid hitting marine animals and divers.
A shortcut to Central Europe
The construction of the Fehmarnbelt tunnel is co-financed by the European Commission, which has named the construction a priority project. The connection plays a key role in the transport network of the future in Europe.