Fehmarnbelt immersed tunnel (Denmark–Germany): first element immersed
The first of 89 factory-cast concrete elements of the roughly 18 km Fehmarnbelt road and rail tunnel was floated out, ballasted and lowered into its dredged trench in May 2026. The elements are cast near Rødbyhavn in Denmark, joined on the seabed and covered with gravel, sand and stone.
Tunnels International
Official sources
Summary written by Indiacon in our own words from the official sources above. Found an error? Write to indiacongroupofengineers [at] gmail [dot] com.