A concept to construct a transatlantic tunnel connecting London and New York would cost over £15 trillion to build and could ...

Eurotunnel, the operator of the Channel Tunnel, has halted its UK projects, claiming "unsustainable" levels of taxation has made any future investments "non-viable". The company said it had been ...

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The world's longest tunnel that will slash a six-hour journey to just 40 minutes and cost more than £20billion to build has ...