It is planned to be an underwater highway for transport with both a road for vehicles and a railway line running between Puttgarden, on Germany’s Fehmarn Island and Rodby on Denmark’s Lolland ...

The Rogfast tunnel promises to dramatically reduce travel time across Norway on the E39 coastal highway by replacing the ferry route with an efficient underwater roadway, halving journey times.

This machine will be used to construct the Haitai Yangtze River Tunnel, a critical part of the world's longest underwater highway tunnel project. The machine is designed to tackle the ...