Although the project was approved in 2017, financial setbacks delayed construction. With an estimated investment of USD 1.87 ...

A brand new tunnel set to connect Denmark to Germany is underway. The 11-mile long passage is costing a huge $7.9 billion but ...

Five years and $115 million Swiss francs were spent on fieldwork, drilling, soil samples, and a remote sensing survey to map the ... the world's longest road tunnel at the time.

The Gotthard Base Tunnel currently holds the world record for being the world's longest and deepest railway tunnel, spanning the 35.5-mile distance between the cantons of Uri and Ticino.

The Gotthard Base Tunnel holds the world record as the longest and deepest railway tunnel, spanning 35.5 miles between the cantons of Uri and Ticino. This makes it incredibly useful for tourists ...

Due to its 8.65 km in length, the project is positioned in the ranking of the 20 longest road tunnels in the world. More than 6000 jobs were created during its construction. It has 17 connection ...

The ribbon is due to be cut in 2029. The Fehmarnbelt tunnel will become the longest underwater passage in the world, surpassing the Øresund Tunnel in Sweden which is 7.8km-long.

The Fehmarnbelt Tunnel will cut through the Baltic Sea, at a lowest depth of 130ft, connecting Puttgarden, Germany and Rødbyhavn, Denmark. The 11-mile passage will be the world's longest road and ...