The new £6.2bn underwater tunnel will be world's longest and link two incredible countries

The new £6.2 billion underwater tunnel is set to be the world’s longest (Image: Getty) The new £6.2 billion project, expected to open in 2029, is set to be the world’s longest underwater rail and road tunnel and will slash travel times between Scandinavia and Central Europe under the Baltic Sea.

The Fehmarn Belt fixed link - or Fehmarn Belt tunnel - will cut travel from the 45-minute ferry crossing to as little as seven minutes by train, linking southern Denmark with northern Germany . The tunnel will also contribute to the transport sector’s green transition. function loadOvpScript(){let el=document.

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2 billion in 2010 following the signing of the Denmark-German treaty to build the tunnel, according t.