“The disposal of 2.5 million cubic metres of excavated rock from the tunnel was one of the greatest challenges in planning the tunnel.”, The Norwegian Public Roads Administration. The heat generation was around 35.000kW, and the temperature below the tunnel roof rose to more than 1000°C with no visible damage occurring to the tunnel cladding. The tunnel opened November 2000. The road links Aurland and Lærdal, in the heart of Sogn, and provides a ferry-free connection between Oslo and Bergen. Contents. List of longest tunnels. Building period: 1995-2000. Currently the longest and most expensive rail tunnel in the world, the Gotthard Base Tunnel opened for service on 11… The twin tunnels will have a diameter of 10.5m and a maximum depth of 392m below sea level. Year of built … Simulators were used to find the best solutions as regards lighting levels and design and gentle curves and short straight sections make driving through the Laerdal tunnel less monotonous, without breaching the guidelines for safe viewing distance. This plant cleans the passing air for critical polluting components, thus maintaining an acceptable air quality throughout the tunnel even during periods of heavy traffic and limiting the air volume and jet from power consumption which is required in order to ventilate the long tunnel. Europe Norway Facts - Worlds longest tunnel, the laerdal tunnel, outside Author: Arne Brekke, Brekke Tours. The world's most remote island is a Norwegian territory. Interconsult were instrumental in ensuring traffic safety was a key parameter in the design of the technical installations, including lighting designed to give the road user the impression of driving through several shorter tunnels instead of one long by making transition zones in the tunnel with an imitated sky (blue lighting). Several million Norwegian kroner were spent on equipment for monitoring and to check that the ventilation systems, radio connections, lightning systems, traffic lights, emergency equipment, etc., are in working order. {{?}} Its length is surpassed by that of the 8,999-meter (29,524 ft) Karmøy Tunnel, which opened Sep. 5, 2013. The road will take you in the heart of Sogn, in western Norway, where you’ll get to enter the world’s longest road tunnel: Lærdal tunnel stretches out at 24.5 kilometers (15.2 miles), connecting the cities of Lærdal and Aurland, and it’s definitely one for the books. The tunnel is the longest road tunnel in the world. E39 Rogfast will be a twin-tube road tunnel, which will cross Boknafjorden and Kvitsøyfjorden north of Stavanger, replacing the current ferry over Boknafjorden. Drilling the tunnel was carried out using computer-controlled drilling jumbos as well as traditional drilling and blasting. Lighting is a central factor - every 6 km the area is widened and these rock chambers are fitted with special lighting. Did you know the Longest Road Tunnel in the World is in Norway? :pricing}} - The Eiksund Tunnel is the world's deepest, reaching 287 meters (942 ft) below mean sea level. At 24.5 kilometres, the Lærdal tunnel is the world's longest road tunnel. {{!preprice}} Gudvanga Tunnel – Found in Norway, the tunnel connects to the very nearby village of Gudvangen – part of European Route E16. Price: The Norwegian Public Roads Administration’s (NPRA) challenge was to design the tunnel so that people did not find the 20-minute-long trip monotonous, thereby losing concentration during the long journey. Lærdal. This is an opportunity to experience the mountain from both outside and in! Tynjadal is a side valley, opening out about 8km east of the town of Laerdal. A working group led by experienced psychologists at SINTEF (the Industrial and Technological Research Association) worked closely with the NPRA to assess what could be done to make the journey through the tunnel a pleasant experience. Even with little risk of accident and safe fire designs, the Laerdal tunnel has a large quantity of emergency equipment. This includes electrical power systems, control systems (PLC) and emergency phone system. The bus filled with smoke, forcing passengers to evacuate while 8 miles inside the mountain. The tunnel part of the highway stretches for nearly six miles (9.6km) and is one of the longest undersea tunnels in the world. In the few places where flammable plastic mats were required for waterproofing, these methods were put to the test in a coach fire in the Ekeberg tunnel in 1996. Inside the tunnel, bearings were indicated using laser beams. Japan’s Seikan Tunnel is the longest underwater tunnel in the world, and is located beneath the Tsugaru Strait. It is planned to have a length of 27 km and a maximum depth of 392 m. It is projected to be ready by 2025-26. From Wikipedia, the free encyclopedia This list of tunnels in Norway includes any road, rail … Features of this page require a browser with localStorage enabled. The tunnel has been subdivided into four sections by means of specially widened areas which are large enough to allow coaches and trains to turn without having to reverse. 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