The incredible new undersea tunnel that will be the world’s longest at 16 miles

Construction for this underground road is underway and this tunnel will break records for being one of the world’s longest.

The Rogfast, in Norway, will run between the municipalities of Randaberg and Bokn in Rogaland county.

One of the main considerations in building the road is to eliminate ferries from the E39 highway between Kristiansand and Trondheim.

To do this, it would mean replacing the seven existing ferry connections by subsea tunnels and floating bridges, reports .

This would almost half the current 21-hour journey time while shaving just 50km off the 1,100km-long route.

The title for the world’s longest road tunnel is currently held by another Norwegian work of infrastructure.

At 24.5 kilometres, the Lærdal is currently the record-holder but will be knocked off top spot once the Rogfast is complete.

The Lærdal links Aurland and Lærdal and provides a ferry-free connection between Oslo and Bergen.

With hopes that the new Rogfast tunnel will ease congestion, it will also ease the burden on ferries to transport people.

with the construction of two access tunnels but it will not be ready for many more years yet.

For a country with a population of just 5.46 million, Norway’s highways projects are ambitious. Even with the latest advancements, creating this impressive tunnel is no easy task.

Estimates for its completion date have changed since the project’s construction began but currently, it looks to be finished by 2033.

Several of Norway’s major cities will be situated near the , such as Bergen, which is important for the oil industry and Stavanger, another major North Sea oil service centre.

The journey from Trondheim in the mid-north to Kristiansand on the south coast currently takes around 21 hours.

But once the tunnel is finished, this will be cut down to a more manageable 11 hours.