world’s largest immersed tunnel

This European project to build the world’s largest immersed tunnel is stalled because of a gigantic machine still in testing

GSAP Staff / March 31, 2026

As the world’s attention turns towards innovative infrastructure projects, one European endeavor stands out for its ambition and complexity. The Fehmarnbelt tunnel, a proposed high-speed...

This European Project To Build The World’s Largest Immersed Tunnel Is Frozen Because Of A Giant Machine Still In Testing

GSAP Staff / March 24, 2026

As the winter chill settles across northern Europe, a major infrastructure project meant to revolutionize travel in the region finds itself in a state of...

This European megaproject to build the world’s largest immersed tunnel is on hold because of a giant machine still in testing

GSAP Staff / March 23, 2026

The Fehmarnbelt Link, a record-breaking immersed tunnel project connecting Denmark and Germany, has hit a giant pause button. The reason? Engineers, investors, and governments are...