1. -The Laerdal tunnel. With its 24.5 kilometers, Laerdal tunnel is the longest in the world, traversing several mountainous formations between Laerdal and Aurland, in western Norway.
People Also Ask
The Laerdal Tunnel in western Norway is the longest road tunnel in the world. It takes about 20 minutes to pass through the tunnel. Brightly colored lights placed every six kilometers help drivers stay alert.
Being 25 km long the Laerdal Tunnel i Norway is the world's longest road tunnel - and it is equipped with support and cable ladders from Oglaend System. To ease the drive through the 25 km long tunnel, there is a huge hall every 6 km.
Fritchley Tunnel is a disused railway tunnel at Fritchley in Derbyshire, England, which is believed to be the oldest surviving example in the world. The tunnel was constructed in 1793 by Benjamin Outram as part of the Butterley Gangroad, altered in the 1840s, and remained in use until the railway closed in 1933.
The Cowburn Tunnel is a railway tunnel at the western end of the Vale of Edale in the Derbyshire Peak District of England. The tunnel is 3,702 yards (3,385 m) long. It is the deepest railway tunnel in England, at 875 feet (267 m).
The Channel Tunnel is made of three separate tunnels running parallel to each other. One train tunnel running south (UK to France), one train tunnel running north (France to UK) and one service tunnel. All three tunnels were drilled below the seabed and link Folkestone in Kent to Coquelles in Pas-de-Calais.