An £6bn underwater mega-tunnel linking Denmark and Germany has taken a major step forward after engineers successfully immersed the first section of what will become the world’s longest submerged ...

The fixed link across the Fehmarn Belt represents an immersed tunnel that will connect the island of Lolland in Denmark with the island of Fehmarn in Germany. This impressive tunnel beneath the Baltic ...

Delays in permitting and tunnel immersion mean the Fehmarnbelt Tunnel will now open in two phases – first the road tunnels, ...

Denmark and Germany are sinking 89 massive concrete tunnel elements into the Baltic seabed to create the world's longest ...

The Fehmarnbelt Tunnel is one of those infrastructure projects that sounds almost futuristic the first time you hear about it. When it opens later this decade, drivers and train passengers will be ...

Motorists will be able to cross the Baltic Sea in only 10 minutes via the four-lane route, while train journeys are expected ...

The first element of the Fehmarnbelt immersed tunnel has been successfully installed on the seabed by the Femern Link ...

Deep under the Alps, engineers are constructing train lines to connect European countries — and create the world’s longest railway tunnels.