Of these, one that has attracted worldwide attention is the Seikan Undersea Tunnel. These stations were built to evacuate passengers in an emergency, but until November 2013 one of them was served by a handful of trains every day. Today, the Seikan Tunnel is the longest railroad tunnel in the world at 33.4 miles in length, 14.3 miles of which lie under the Tsugaru Strait. This would allow them to reach 200 kilometres per hour, and safely pass Shinkansen coming in the other direction. 10 Seikan Tunnel (Japan) The Seikan is a railway tunnel in Japan, but what makes it unique is the fact that a 23-kilometer (14.2 miles) stretch of the tunnel is 140 meters (460 feet) below sea level. 23.3 km (14.5 mile) of the tunnel is underwater. The Seikan Tunnel (Ja:青函トンネル)is a railway tunnel in Japan. As the Seikan Tunnel — a rail link between Honshu and Hokkaido — marked the 30th anniversary of its opening on Tuesday, better coexistence … Hotel Chapel ChristmasVisit Santa all year round. LINKS, Text copyright © 2010-2013 UnmissableJapan.com, Most photographs are used under Creative Commons licences – click on the images for details. The tunnel is 53.85 km (33.49 miles) long. One of the more curious features of the tunnel is the presence of the world's only undersea stations. It opened in 1982 and is Norway’s oldest underwater tunnel, stretching 9,482 feet (2,890m) under the freezing waters of the Bussesundet strait. Languages. There were even underground photo galleries, and exhibits explaining how the tunnel was built, along with displays of some of the equipment used in construction. The tunnel is 53.85 km (33.49 miles) long. The tunnel was created to connect a railway between the main and northern islands of Japan. So, there's not as much to be seen as there used to be, but the tunnel remains a marvel of engineering, as well as a handy way to get from one part of Japan to another. var pf_linkcolor = "AB3232"; Seikan Tunnel, Japan. The tunnel took 5 years to complete and cost about 3.6 billion (US) dollars. One solution being considered is to load the freight trains onto special high-speed carrier trains for the journey through the tunnel. Seikan Tunnel, Japan – undersea railway tunnel connecting islands of Honshu and Hokkaido, opened 1988 – 33.5 miles 3. English Articles. var pf_textcolor = "000000"; OUR FACEBOOK PAGE   –    Quite the same Wikipedia. The Seikan Tunnel in Japan is officially the longest underwater tunnel in the world, spanning for 53,9 km (33.5 miles) beneath the Tsugaru Strait … Another problem is that the freight trains can only manage 110 kilometres an hour, which will hold up the Shinkansen, whose speed limit in the tunnel is 260 kilometres an hour. Seikan Tunnel the world's longest underwater tunnel, linking the Japanese islands of Hokkaido and Honshu under the Tsungaru Strait. Seikan Tunnel, Japanese Seikan Tonneru, undersea tunnel linking Japan’s main island of Honshu with the northern neighbouring island of Hokkaido. The Seikan Tunnel (青函トンネル Seikan Tonneru or 青函隧道 Seikan Zuidō) is a 53.85 km (33.46 mi) dual gauge railway tunnel in Japan, with a 23.3 km (14.5 mi) long portion under the seabed.The track level is about 100 metres (330 ft) below the seabed and 240 m (790 ft) below sea level. The tunnel started revenue service in 1988, and hosted some famous sleeper trains for almost 3 decades, including the Hokutosei, Cassiopeia, and Twilight Express. They are often used where building a bridge or operating a ferry link is unviable, or to provide competition or relief for existing bridges or ferry links. The stations are equipped with exhaust fans to deplete smoke, infrared fire alarm systems and water spr… Live Statistics. Completed in 1988, the tunnel is 51.7 km (32.3 miles) in length. Hotels near Seikan Tunnel Museum: (0.22 mi) Hotel Tappi (0.26 mi) Tappizaki Seaside Park (8.84 mi) Tsugaru Kodomarikan (8.86 mi) Minshuku Shibazaki (5.38 mi) Tappi Ryokan; View all hotels near Seikan Tunnel Museum on Tripadvisor At an estimated 76 miles (123km) long, it would surpass the combined length of world’s two longest underwater tunnels—Japan’s Seikan Tunnel and the Channel Tunnel … This is the longest tunnel in the world. The tunnel is 54 kilometres long, and descends to a depth of 240 metres below the surface of the sea. Country: Japan. Perhaps the Seikan Tunnel doesn’t really belong in this section, as it's more a case of undersea than underground. Hear Japanese migrants’ life stories at Japanese on the Move. The tunnel comprises two railway stations: Tappi Kaitei on Honshu Island and Yoshioka Kaitei on Hokkaido Island, which are the first railway stations built under the sea and also act as emergency escape points in the event of a disaster. S eikan is both the longest and the deepest operational rail tunnel in the world and also the longest undersea tunnel… As the shield moved forward, workers in the front, who were exposed through small cavities, would dig, while the people behind would line bricks along the tunnel that had just come into being. A sketch (not to scale) of a typical cross section of the Seikan Tunnel, an underwater railway tunnel in Japan.. Inspiration provided by: Morse, p52, bottom figure & Paulson, figure 8. As well as regular passenger services, it's used by 50 freight trains a day, as well as sleeper services from Tokyo and Osaka. var pf_maxresults= "2"; (1): Main tunnel. Humans have tunneled since the first cave dwellers decided to excavate a spare bedroom, and the essentials of dig, support and advance were well-refined by the time the ancient Greeks used tunnels to irrigate and drain their farmland [sources: Lane; Browne]. It's 14 and half miles long and it is about 330 feet under the seabed. It connects Hokkaido to Aomori Prefecture. 2- Seikan Tunnel, Japan. ABOUT US   –    Find the best way to get anywhere in Japan with Train Route Finder. SEIKAN UNDERSEA TUNNEL Tunnels being constructed in Japan total about 600 km in length, of which railroad tunnels account for 174 km, road tunnels 122 km, subway tunnels 79 km, water tunnels for power generation 77 km, tunnels for water supply and sewerage 130 km, and tunnels for irrigation water passages 24 km. The track at the Seikan tunnel is a triple slab track capable of running Shinkansen bullet trains. var pf_lang = ""; Completed in 1988, the tunnel is 51.7 km (32.3 miles) in length. The Channel Tunnel, in fact, has the longest underwater section, with 39 km against the 23 km of its Japanese rival. 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