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14-751: The line is a corridor between the Shinetsu Main Line and the Chūō Main Line . All the limited express trains on the Shinonoi Line come from the Chūō Main Line: Azusa from Tokyo and Shinano from Nagoya . All stations are located in Nagano Prefecture . Morning Liner A passing loop is located in Azumino , known as Hirase shingōjō ( 平瀬信号場 ) . It has two tracks. A switchback

28-406: A contingency, and removed two months after the adhesion-only operation commenced and had proved its reliability. The Kurohime to Myoko-Kogen section was double-tracked in conjunction with a realignment in 1980. The Mure to Kurohime section was also realigned and prepared for double-tracking (including new double-track size tunnels), but the second track was not laid. The Miyauchi to Nagaoka section

42-597: Is a railway line, consisting of three geographically separated sections, operated by the East Japan Railway Company (JR East) in Japan . It was originally one continuous line connecting Takasaki and Niigata via Nagano . Since the opening and later extension of the Hokuriku Shinkansen , sections running in parallel have either been discontinued or transferred to third-sector railway companies. The name of

56-478: Is located in Azumino , known as Haneo shingōjō ( 羽尾信号場 ) A switchback is located in Azumino , known as Kuwanohara shingōjō ( 桑ノ原信号場 ) The Shinonoi to Nishijo section opened in 1900, and was extended via Matsumoto to Shiojiri in 1902. The Shiojiri to Matsumoto section was double-tracked between 1961 and 1965, with the Tazawa to Akashina section double-tracked in 1966. The Akashina to Nishijo section

70-785: The Shinonoi Line or the Shinano Railway Line . As of 3 May 2023 , the following services are operated. All stations are in Gunma Prefecture. The section between Yokokawa and Karuizawa was closed and the section between Karuizawa and Shinonoi was transferred to the ownership of the third-sector railway operator Shinano Railway from 1 October 1997 with the opening of the Hokuriku Shinkansen ( Nagano Shinkansen ) between Takasaki and Nagano. All stations are in Nagano, Nagano Prefecture. The section between Nagano and Naoetsu

84-472: The 552 metre altitude difference between Yokokawa and Karuizawa (which are 10 km (6.2 mi) apart), it then constructed an Abt rack section through the Usui Pass , which opened in 1893, and was double-tracked for 1 km (0.62 mi) from Karuizawa to the top of the rack section. A horse-drawn tramway operated between Yokokawa and Karuizawa until the rack section opened. The Hokuetsu Railway opened

98-542: The Naoetsu to Nagaoka section in 1897, extending the line to Niigata in 1904. That company was nationalised in 1907. In 1909, the Imperial Japanese Railway authorities invited bids for the electrification of the route. A German company was selected to provide the engines and General Electric supplied the turbines at the power station. In 1912, the rack section was electrified using third rail at 600 V DC, this being

112-600: The first use of this method in Japan. The electrification allowed for the use of faster and longer trains which reduced journey times and also pollution from the steam engines. A link to archival footage of the rack section operation is available here The Karuizawa to Nagano section was double-tracked between 1917 and 1920, with the Nagaoka to Miyauchi section double-tracked in 1931, and the Niitsu–Kamo section in 1944. Double-tracking of

126-580: The line refers to the old names for Nagano and Niigata prefectures, Shinano (Japanese: 信 濃 ), and Echigo (Japanese: 越 後 ). The discontinued section through the Usui Pass was famous for its steep 66.7 ‰ (6.67 % ) gradient . From 14 March 2015, the line consists of the following three sections. There are three small freight branches; from Echigo-Ishiyama Station to Niigata Freight Terminal, from Kami-Nuttari Junction to Nuttari Station (discontinued on 25 March 2010), and from Kami-Nuttari Junction to Higashi-Niigata-kō Station. All trains run through on

140-661: The opening of the Nagano Shinkansen , the Yokokawa to Karuizawa section was closed, and the Karuizawa to Shinonoi section transferred to the third-sector Shinano Railway . On 14 March 2015, following the extension of the Hokuriku Shinkansen to Kanazawa , the Nagano to Naoetsu section was also spun off to the following two third-sector operating companies owned primarily by the respective prefectures and municipalities. (Note - for

154-507: The remainder of the Niigata to Naoetsu line was undertaken in sections between 1958 and 1973. Double-tracking of the remainder of the Takasaki to Kaminagano line was undertaken in sections between 1963 and 1973, commencing with the replacement of the rack mechanism with an adhesion only electrified (1,500 V DC catenary ) operation on the 1 in 15 (6.7%) grade. The rack equipment was initially kept as

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168-468: Was also double-tracked, but the original line was decommissioned in 1988. The Shiojiri to Matsumoto section was electrified in 1964/5, and extended to Shinonoi in 1973, CTC signalling being commissioned on the entire line the previous year. Shinetsu Main Line 1. Takasaki - Yokokawa 2. Shinonoi-Nagano 3. Naoetsu-Niigata The Shinetsu Main Line ( Japanese : 信越本線 , Hepburn : Shin'etsu-honsen )

182-557: Was electrified in 1947 at 1,500 V DC in conjunction with the electrification of the Joetsu Line , with the Nagaoka to Niigata section electrified in 1962, the same year the Takasaki to Yokokawa section was commissioned to facilitate the extension to Nagano the following year via the new adhesion line through the Usui Pass mentioned above. The Nagano to Naoetsu section was electrified in 1966, and extended to Miyauchi in 1969. In 1997, following

196-591: Was transferred to the ownership of the third-sector railway operators Shinano Railway and Echigo Tokimeki Railway from 14 March 2015 with the opening of the Hokuriku Shinkansen extension north of Nagano. All stations are in Niigata Prefecture. The Japanese Government Railways opened the Takasaki to Yokokawa section in 1885, the Naoetsu to Sekiyama section the following year, and the Sekiyama–Nagano–Karuizawa section in 1888. In order to surmount

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