Norway is undertaking the construction of the Rogfast tunnel, poised to become the world’s longest and deepest underwater road tunnel. Stretching 16 miles beneath the Boknafjord, it will connect the ...

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 ...

The underwater road tunnel, known as the Rogfast, is set to be the world's longest and deepest. It will cost the Norwegian government a staggering $46billion to build and is on course for ...

A study is underway to decide whether Alaska should build an underwater tunnel or not—with the research expected to cost at least $1 million, according to reports. Officials hope to establish ...

Crews began tunneling on September 1st, 2024, and while the entirety of the tunnel hasn't yet been completed, the underwater shielding portion has. It was accomplished in a mere 110 days.

Caltrans is pursuing a $500 million project to widen California Highway 37 between Vallejo and Novato. With sea level rise, the roadway will be underwater by 2050.

The underwater tunnel would run 27.7 kilometers (17.2 miles) beneath the Mediterranean Sea. A render of an underwater tunnel, currently being explored to connect Spain to Morocco. Morocco World News ...

You've got it! The first underwater tunnel was built with a tunnel shield. You could build a mile-long tunnel here in a couple of months with this reliable method. Learn more Tunnel Score: 100 The ...

The California Transportation Commission gave $73 million to add a lane to Highway 37, a Bay Area roadway that could be underwater by 2050 with sea level rise.