The Seikan Tunnel is a 53.85 km (33.46 mi) dual-gauge railway tunnel in Japan, with a 23.3 km (14.5 mi) portion under the seabed of the Tsugaru Strait, which separates Aomori Prefecture on the main Japanese island of Honshu from the northern island of Hokkaido. The track level is about 100 m (330 ft) below the seabed and 240 m (790 ft) below sea level. The tunnel is part of the standard-gauge Hokkaido Shinkansen and the narrow-gauge Kaikyō Line of the Hokkaido Railway Company 's Tsugaru-Kaikyō Line. The name Seikan comes from combining the on'yomi readings of the first characters of Aomori (青森), the nearest major city on the Honshu side of the strait, and Hakodate (函館), the nearest major city on the Hokkaido side.
The Kanmon Straits or the Straits of Shimonoseki is the stretch of water separating Honshu and Kyushu, two of Japan's four main islands. On the Honshu side of the strait is Shimonoseki and on the Kyushu side is Kitakyushu, whose former city and present ward, Moji, gave the strait its "mon". The straits silt up at the rate of about 15 centimetres per annum, and dredging has made it possible to build the Kitakyushu Airport at low cost.
Moji-ku (門司区) is a Japanese ward of the city of Kitakyushu in Fukuoka Prefecture. It is the former city of Moji which was one of five merged to create Kitakyūshū in 1963. It faces the city of Shimonoseki across the Kanmon Straits between Honshū and Kyūshū.
National Route 2 is a major highway on the islands of Honshū and Kyūshū in Japan. It follows the old Sanyōdo westward from the city of Osaka, Osaka Prefecture in the Kansai region to the city of Kitakyūshū in Fukuoka Prefecture, passing through the San'yō region en route. Between Hyōgo Prefecture and Yamaguchi Prefecture it parallels the Sanyō Expressway; it crosses the Kanmon Straits through the Kanmon Roadway Tunnel. Its total length is 533.2 km. At its Osaka terminus, it meets Route 1; at its western terminus, it links with Routes 3 and 10.
Kitakyushu is a city located in Fukuoka Prefecture, Japan. As of June 1, 2019, Kitakyushu has an estimated population of 940,978, making it the second-largest city in both Fukuoka Prefecture and the island of Kyushu after the city of Fukuoka. It is one of Japan's 20 designated cities, one of three on Kyushu, and is divided into seven wards.
The Fuji (富士) was a sleeper train that formerly operated between Tokyo and Ōita in Japan. Operated by the Kyushu Railway Company and classified as a limited express service, it was discontinued from the start of the revised timetable on 14 March 2009.
The Hayabusa is a high-speed Shinkansen service operated by East Japan Railway Company and Hokkaido Railway Company between Tokyo and Shin-Hakodate-Hokuto in Japan since 26 March 2016. The name was formerly used for a limited express sleeping car service operated by JR Kyushu, which ran from Tokyo to Kumamoto, and was discontinued in March 2009.
The Kanmon Railway Tunnel was the first undersea tunnel in Japan. It goes underneath the Kanmon Straits, connecting the islands of Honshu and Kyushu. It is an important link in the Japanese rail network. Its construction began in 1936, and it was completed in November 1942, during the Pacific War. The Honshu-bound tunnel is 3,604 m (11,824 ft) long, the Kyushu-bound tunnel is 3,614 m (11,857 ft). Track gauge is 1,067 mm, and its electric power supply is at 1,500 volts DC.
The Japan–Korea Undersea Tunnel, or Korea–Japan Undersea Tunnel, is a proposed tunnel project to connect Japan with South Korea via an undersea tunnel crossing the Korea Strait that would use the strait islands of Iki and Tsushima, a straight-line distance of approximately 128 kilometers (80 mi) at its shortest.
Shimonoseki Station is a passenger railway station located in the city of Shimonoseki, Yamaguchi Prefecture, Japan. It is operated by the West Japan Railway Company. The station is a freight depot of the Japan Freight Railway Company.
The Sakura is a high-speed shinkansen service operated between Shin-Osaka and Kagoshima-Chūō in Japan since 12 March 2011.
Karato (唐戸) is the downtown area of the city of Shimonoseki, Japan. It is known as the most famous sightseeing spot in Yamaguchi Prefecture.
Transport in Fukuoka-Kitakyushu is similar to that of other large cities in Japan, but with a high degree of private transport. The region is a hub of international ferry services and has a high degree of air connectivity and a considerable rail transport network, complemented with highways and surface streets. It includes public and private rail and highway networks; airports for international, domestic, and general aviation; buses; motorcycle delivery services, walking, bicycling, and commercial shipping. The foci of the public transport system are Hakata Station, Tenjin Station, and Kokura Station, in Fukuoka and Kitakyushu cities respectively. Between these two cities lies a more sparse weblike regional rail network.
The San'yō Main Line is a major railway line owned by JR Group companies in western Japan, connecting Kōbe Station and Moji Station, largely paralleling the coast of the Seto Inland Sea, in other words, the southern coast of western Honshu. The San'yō Shinkansen line largely parallels its route. The name Sanyō derived from the ancient region and highway San'yōdō, the road on the sunny (south) side of the mountains.
The Shin-Kanmon Tunnel is a 18.713-kilometre (11.628 mi) long undersea railway tunnel under the Kanmon Straits connecting Shin-Shimonoseki Station and Kokura Station.
In Japan, the Kanmon Roadway Tunnel carries National Route 2 under the Kanmon Straits. At the time of its construction, it was the longest undersea highway in the world. It opened in 1958. The overall length is 3,461 metres (11,355 ft) meters, and it is 58 metres (190 ft) below sea level at the deepest point. The endpoints are in Shimonoseki, Yamaguchi and Moji-ku, Kitakyūshū. According to a United Press report at the time, 53 workers were killed during its construction, and it was second only to the Mersey Railway tunnel in length for an underwater tunnel.
Shin-Noborikawa Tunnel is a tunnel on JR Hokkaido's Sekishō Line that runs between Shin-Yūbari Station, Yufutsu District and Shimukappu Station in Shimukappu, Hokkaido with total length of 5.825 km. It was built and completed in 1981.
Shin-Karikachi Tunnel is a tunnel on JR Hokkaido's Nemuro Main Line that runs between Ochiai Station and Shintoku Station in Tokachi District, Hokkaido with total length of 5.790 km. It was built and completed in 1966.
Shin-shimizu Tunnel is one way tunnel towards Niigata on JR's Joetsu Line located between Yuzawa town in Niigata Prefecture and Minakami town in Gunma Prefecture in parallel to other one-way Shimizu Tunnel with total length of 13.500 km. It was built and completed in 1967 under Mount Tanigawa that has 3 railway-tunnels: single-tract Shin-shimizu & Shimizu tunnels for Joetsu Line, and double-tracts Daishimizu Tunnel for Joetsu Shinkansen line. A distinctive station known as Doai Station features a platform situated within an underground tunnel, specifically positioned within the middle of the Shin-Shimizu Tunnel.
Nasu Tunnel is a tunnel on Tōhoku Shinkansen operated by East Japan Railway Company located between Nasushiobara Station and Shin-Shirakawa Station with total length of 7.030 km. It was built and completed in 1982.
