Linking Denmark and Germany ... near as long as the 50-kilometer (31-mile) Channel Tunnel, but in many other ways it’s bigger. The project will, in fact, be the world’s longest road and rail ...
An 18-kilometre tunnel will soon link southern Denmark with northern Germany beneath the Baltic Sea. When it opens in 2029, the ambitious immersed road and rail link will be the longest of its ...
The Fehmarnbelt Tunnel, an undersea structure connecting Denmark and Germany, is poised to become the world’s longest road and rail tunnel, as well as the longest "immersed" tunnel ever constructed.