The record-breaking tunnel being built from Denmark to Germany

A record tunnel is built under the Baltic Sea between Denmark and Germany, to reduce travel time and to improve the links between the Scandinavian Peninsula and the rest of Europe, reports BBC.

Colossus at the bottom of the Baltic Sea: countries The EU is making huge investments "under the water": EADaily

EADaily, April 24th, 2025. At the bottom of the Baltic Sea, as the newspaper writes Gazeta.Pl , a real underwater colossus is being built, from which all Europeans should benefit. We are talking about a record-breaking long tunnel (18 km), which is being built under the Baltic Sea between Denmark and Germany.

The 18 km long Fehmarnbelt will be the world's longest road and rail tunnel built from prefabricated elements.

Denmark Germany tunnel: Travel time from Copenhagen to Hamburg to halve as new record-breaking tunnel built - when will it open?

A record-breaking tunnel is being built under the Baltic Sea between Denmark and Germany which will slash travel times.

The record-breaking tunnel being built from Denmark to Germany

The rail and road link will slash journey times between much of Scandinavia and continental Europe.

The tunnel design is a “remarkable feat of engineering.” The Fehmarnbelt Tunnel is based on 90 massive prefabricated elements. These enormous segments of concrete, reinforced with steel, will be assembled piece by piece. The tunnel will allow vehicles to travel between Rodbyhavn, Denmark, and Puttgarden, Germany. The Fehmarnbelt Tunnel, an 18-kilometer tunnel under the Baltic Sea, is set to become the world’s longest prefabricated road and rail …