Does Norway have the longest tunnel in the world?

Norway’s Claim to Tunneling Fame: Beyond the Lærdal

Norway, a land sculpted by fjords and mountains, has become synonymous with engineering marvels, particularly its extensive network of tunnels. While the Lærdal Tunnel often takes the spotlight, the question remains: does Norway truly possess the world’s longest tunnel?

The Lærdal Tunnel, a vital link on the E16 highway connecting Oslo and Bergen, undoubtedly represents a triumph of engineering. Spanning 24.5 kilometers (15.2 miles), it provides safe, reliable passage, bypassing challenging mountain passes and significantly improving travel times. Before its completion in 2000, the journey between these two major cities often relied on ferries and winding, precarious mountain roads, especially during harsh winter months. The Lærdal’s construction dramatically improved connectivity and fostered regional economic development. It held the title of the world’s longest road tunnel for many years, surpassing significant infrastructure projects like the WestConnex in Sydney.

However, while the Lærdal remains an impressive feat, it no longer holds the top spot. That distinction now belongs to the Rogfast Tunnel, also in Norway. Currently under construction and scheduled for completion in 2026, this subsea tunnel will measure an astonishing 27 kilometers (16.8 miles) long, connecting the municipalities of Randaberg and Bokn. Once open, it will significantly reduce travel times and further enhance connectivity in the region, bypassing ferries and arduous overland routes.

The Rogfast Tunnel highlights Norway’s continued commitment to ambitious infrastructure projects. The challenging geological conditions, involving tunneling deep beneath the seabed, present unique engineering hurdles. The project underscores Norway’s innovative approach and expertise in tunnel construction.

So, while the Lærdal Tunnel played a pivotal role in solidifying Norway’s reputation for tunneling prowess, it’s the upcoming Rogfast Tunnel that will cement the country’s claim to the longest road tunnel in the world. This ongoing project underscores Norway’s relentless pursuit of innovative solutions to overcome geographical challenges, connecting communities and fostering economic growth.