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Adam Danyal
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adamdanyal

Adam Danyal
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For all enquiries use [email protected]
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Norway is Reconstructing Its Superhighway, and It Includes the World’s Longest and Deepest Underwater Tunnel

Today travelers continue to marvel over iconic drives – from the United States’ historic Route 66 and stunningly scenic Pacific Coast Highway to Germany’s more carefree and speed-friendly Autobahn where you can see what your sports car is really made of! Now, Norway is attempting to join the ranks by embarking on one of the most challenging infrastructure projects yet – reconstructing its Coastal Highway Route E39 along with constructing the Rogfast Tunnel, which will be the world’s longest and deepest underwater highway.

This reportedly $47 billion- dollar infrastructure project is expected to take 30 years, but Norwegians believe it will be worth the wait.  Currently, the Coastal Highway Route E39 (with the “E” meaning it’s part of the European Road Network, an expansive network of roads throughout Europe), isn’t a continuous highway. While the route spans the whole western coast of Norway and eventually leads to Denmark, its deep and expansive fjords hinder the journey. Numerous ferries are required at crossing points, which interrupts a fluid and smooth drive when making the trek for both business and leisure.

The Coastal Highway Route E39 will reduce the duration of travel between Trondheim and Kristiansand from an arduous 20 hours (including seven ferry connections) to a more manageable 11 hours. The Rogfast Tunnel, “the longest and deepest subsea road tunnel in the world,” will stretch 27 kilometers in length and 392 meters below sea level at its deepest point. This submerged tunnel will have the capacity to carry up to 13,000 vehicles annually. It will reduce the journey time between Stavanger and Bergen to approximately 40 minutes, including waiting time at the ferry terminal.

However, constructing underwater tunnels at this depth doesn’t come without its challenges. To ensure its safety for drivers and passengers, two separate tunnels have to be built for traffic flow. Plus, at every 250 meters, there will be passages connecting the two tunnels, which offers a quick and easy exit in the event of an emergency. The Rogfast Tunnel is currently under construction between Harestad, Randaberg, and Laupland, Bokn in Rogaland County, Norway. Considered a major part of this improvement, the Rogfast Tunnel’s completion is anticipated in 2026.

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