The Tsugaru-Kaikyo Line (津軽海峡線, -sen^?) is a railway line in northern Japan linking Aomori Station in Aomori and Hakodate Station in Hokkaido. Railroad or railway tracks are used on railways, which, together with railroad switches (points), guide trains without the need for steering. ... Aomori Station, located in Aomori, Aomori, Japan. ... Aomori Prefecture (青森県 Aomoriken or frequently Aomori-ken) is located in the Tōhoku Region of Japan. ... For the dog breed, see Hokkaido (dog). ...

The Tsugaru-Kaikyo Line is actually made up of portions of four separate lines: the Tsugaru Line, operated by East Japan Railway Company, and the Kaikyō, Esashi, and Hakodate Main lines, operated by Hokkaido Railway Company. The name was created following the opening of the Kaikyō Line and Seikan Tunnel on March 13, 1988. Yamanote Line, Tokyo JR Yamanote Line train in Tokyo, Japan Above Yurakucho in Tokyo East Japan Railway Company (東日本旅客鉄道 Higashi-Nihon Ryokyaku Tetsudo or JR東日本; JR Higashi-Nihon) (TYO: 9020) is a Japanese private railroad company, the largest passenger railway company in the world and one of the seven JR companies. ... The Hokkaido Railway Company (北海道旅客鉄道 Hokkaidō Ryokaku Tetsudō) is one of the constituent companies of Japan Railway. ... In-train display showing progress through tunnel The Seikan Tunnel (青函トンネル Seikan Tonneru or 青函隧道 Seikan Zuidō) is a 53. ... March 13 is the 72nd day of the year in the Gregorian calendar (73rd in leap years). ... 1988 (MCMLXXXVIII) was a leap year starting on Friday of the Gregorian calendar. ...

Station and line divisions

• Aomori Station thru Naka-Oguni Station comprises part of the Tsugaru Line
• Between Kanita Station and Kikonai Station is the Kaikyō Line
• Kikonai Station thru Goryōkaku Station comprises part of the Esashi Line
• Goryōkaku Station thru Hakodate Station comprises part of the Hakodate Main Line