10 longest road tunnels in the world that took decades to build

Roads are one of the major part of infrastructure that tells about a nation’s reality. All around the world, every nation tries to give its people advanced road infrastructure for commuting. Do you know which are the longest tunnels in the world? These tunnels are incredible time savers. From the use of neon blue mountain caves, which are built to keep drivers from falling asleep in Norway, to the cutting-edge highways that lie below the skyscrapers of Tokyo, there are many examples of how humans have created ways to work around and through Earth's various obstacles with the help of tunnels. Here is the list of the longest, deepest, and most scenic road tunnels in the world.

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