![World's longest tunnel - Lærdal Tunnel (Norwegian: Lærdalstunnelen) is a 24.51-kilometre-long (15.23 mi) long road tunnel connecting the municipalitie Stock Photo - Alamy World's longest tunnel - Lærdal Tunnel (Norwegian: Lærdalstunnelen) is a 24.51-kilometre-long (15.23 mi) long road tunnel connecting the municipalitie Stock Photo - Alamy](https://c8.alamy.com/comp/2C9TA2E/worlds-longest-tunnel-lrdal-tunnel-norwegian-lrdalstunnelen-is-a-2451-kilometre-long-1523-mi-long-road-tunnel-connecting-the-municipalitie-2C9TA2E.jpg)
World's longest tunnel - Lærdal Tunnel (Norwegian: Lærdalstunnelen) is a 24.51-kilometre-long (15.23 mi) long road tunnel connecting the municipalitie Stock Photo - Alamy
![PM Narendra Modi inaugurates Atal Tunnel: Key facts about the world's longest road tunnel - In honour of Atal Bihari Vajpayee | The Economic Times PM Narendra Modi inaugurates Atal Tunnel: Key facts about the world's longest road tunnel - In honour of Atal Bihari Vajpayee | The Economic Times](https://img.etimg.com/thumb/msid-78458349,width-640,resizemode-4,imgsize-735652/the-longest-highway-tunnel.jpg)
PM Narendra Modi inaugurates Atal Tunnel: Key facts about the world's longest road tunnel - In honour of Atal Bihari Vajpayee | The Economic Times
![Crossing Norway's fjords is going to get easier with world's first submerged floating tunnel - ABC News Crossing Norway's fjords is going to get easier with world's first submerged floating tunnel - ABC News](https://s.abcnews.com/images/International/norway-floating-tunnel2-ho-mo-20190203_hpMain_16x9_1600.jpg)
Crossing Norway's fjords is going to get easier with world's first submerged floating tunnel - ABC News
![Laerdal tunnel with colorful lights in Norway, the longest road tunnel in the world Stock Photo - Alamy Laerdal tunnel with colorful lights in Norway, the longest road tunnel in the world Stock Photo - Alamy](https://c8.alamy.com/comp/T1Y32H/laerdal-tunnel-with-colorful-lights-in-norway-the-longest-road-tunnel-in-the-world-T1Y32H.jpg)