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
July 2 2026
German summer stakeholder briefing on Fehmarn: tunnel project visibly taking shape
Around 150 guests from German politics, business and public administration came together for this year’s summer stakeholder briefing on the island of Fehmarn. The event focused on progress in the construction of the Fehmarnbelt tunnel.
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.
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.