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Baltic Tunnel: 7-Min Train Trips Now Possible!
16 Jun
Summary
- Train journeys between Denmark and Germany may soon take only 7 minutes.
- A massive 73,000-tonne tunnel element was successfully placed in the Baltic Sea.
- The Fehmarnbelt Tunnel will be the world's longest immersed road and rail tunnel.

A significant engineering feat has been achieved in the Baltic Sea as a colossal 73,000-tonne tunnel element was successfully installed as part of the Fehmarnbelt Tunnel project. This under-construction immersed tunnel is poised to become the world's longest of its kind, connecting Rødbyhavn in Denmark with Puttgarden in Germany.
The project involves constructing the 18-kilometer tunnel using large prefabricated concrete sections. These sections are manufactured on land, floated to sea, and precisely lowered into a dredged trench on the seabed. The tunnel will feature four motorway lanes and two electrified railway tracks, dramatically cutting travel times.
For travelers, this development promises a transformation in cross-border journeys. The trip, currently a 45-minute ferry ride, is expected to take less than 10 minutes by car and approximately seven minutes by train once operational. This enhanced connectivity is anticipated to significantly impact tourism across Northern Europe, facilitating easier road trips and improving rail links.
Despite evolving timelines due to technical and regulatory challenges, the recent successful installation of another heavy tunnel section indicates progress towards completion. This project represents a monumental step forward in infrastructure, offering unprecedented travel convenience and connectivity between Denmark and Germany.