Nemuro Main Line

Nemuro Main Line (根室本線, Nemuro Honsen) is a railway line in Hokkaido operated by Hokkaido Railway Company (JR Hokkaido), connecting Takikawa Station in Takikawa and Nemuro Station in Nemuro, including Obihiro and Kushiro. Higashi-Nemuro is the most easterly situated station on the Japanese rail system.

Nemuro Line
A KiHa 261-1000 series DMU between Taisei and Memuro
Overview
Native name根室本線
StatusIn operation
OwnerJR Hokkaido
LocaleHokkaido
Termini
Stations59
Service
TypeRegional rail
Operator(s)JR Hokkaido
Depot(s)Kushiro
Rolling stockKiHa 261 series DMU, KiHa 40 series DMU, KiHa 54 series DMU, H100 series DEMU
History
Opened1901
Closed1 April 2024 (Furano–Shintoku) (planned)[1][JR Hokkaido 1]
Technical
Line length443.8 km (275.8 mi)
Number of tracksEntire line single tracked
CharacterRural
Track gauge1,067 mm (3 ft 6 in)
ElectrificationNone
Operating speed120 km/h (75 mph) (max)
Route map

Services
Ōzora limited express train
A KiHa 54-500 DMU on a local service

Local trains operate between Takikawa and Furano 9 times per day, and between Furano and Higashi-Shikagoe 4 times per day. Due to typhoon damage sustained in August 2016, the line is closed between Higashi-Shikagoe and Shintoku, and passengers must transfer to a bus.[2]

The segment east of Shintoku forms part of the trunk route between Sapporo (via the Sekisho Line) and eastern Hokkaido, and has more frequent service, although with decreasing frequencies as the line goes east. The limited express train Ōzora runs between Sapporo and Kushiro six times a day, while the Tokachi runs five times a day between Sapporo and Obihiro.[3] There are 11 daily local services between Shintoku and Ikeda, 8 daily local services between Ikeda and Urahoro, and 6 daily local services between Urahoro and Kushiro.[4]

The segment between Kushiro and Nemuro has the official nickname Hanasaki Line (花咲線, Hanasaki-sen). There are two rapid trains Nosappu (ノサップ) and Hanasaki (はなさき) which run once a day each. Six daily local services operate between Kushiro and Attoko, and four or five operate to the eastern terminus at Nemuro.[4] As of late 2022, this segment of the line saw frequent delays and cancellations due to deer incursions causing trains to make emergency stops.[5]

Nemuro can be reached in a continuous 1,559.2 km train journey from Tokyo Station, which takes a total of just over 15 hours on four trains, departing Tokyo at 6:32 am and arriving in Nemuro at 9:39 pm.[6]

Stations
LE: Limited express
R: Rapid
All non-local trains stop at stations signed "+", some stop at "*", no such trains stop at "-". Local trains stop at all stations, except Ikutora and Ochiai (no services since 2016 due to line closure), and stations marked "◌" where some local trains skip.
No.Station nameJapaneseDistance (km)LERTransfersLocation (all in Hokkaido)
A21Takikawa滝川0.0+■ Hakodate Main LineTakikawa
T22Higashi-Takikawa東滝川7.2-
T23Akabira赤平13.7+Akabira
T24Moshiri茂尻17.2+
T25Hiragishi平岸20.7-
T26Ashibetsu芦別26.6+Ashibetsu
T27Kami-Ashibetsu上芦別30.5+
T28Nokanan野花南35.2*
T30Furano富良野54.6+■ Furano LineFurano
T31Nunobe布部60.9*
T32Yamabe山部66.7+
T33Shimo-Kanayama下金山74.7*Minamifurano, Sorachi
T34Kanayama金山81.6+
T35Higashi-Shikagoe東鹿越94.8+
T36Ikutora幾寅98.8
T37Ochiai落合108.2
Kami-Ochiai Junction上落合(信)112.2
K23Shintoku新得136.3++■ Sekishō LineShintoku, Kamikawa
K24Tokachi-Shimizu十勝清水145.4*+Shimizu, Kamikawa
K26Mikage御影155.9--
K27Memuro芽室166.5*+Memuro, Kasai
K28Taisei大成168.6--
K29Nishi-Obihiro西帯広173.4--Obihiro
K30Hakurindai柏林台176.6--
K31Obihiro帯広180.1++
K32Satsunai札内184.9-Makubetsu, Nakagawa
K33Makubetsu幕別194.3-
K35Toshibetsu利別200.8-Ikeda, Nakagawa
K36Ikeda池田204.3+
K37Tōfutsu十弗212.8-Toyokoro, Nakagawa
K38Toyokoro豊頃218.2-
K39Shin-Yoshino新吉野225.3-Urahoro, Tokachi
K40Urahoro浦幌231.7*
K42Atsunai厚内250.1-
K45Onbetsu音別265.1-Kushiro
K47Shiranuka白糠281.1*Shiranuka, Shiranuka
K48Nishi-Shoro西庶路286.5-
K49Shoro庶路288.6-
K50Otanoshike大楽毛299.0-Kushiro
K51Shin-Otanoshike ◌新大楽毛300.8-
K52Shin-Fuji新富士305.7-
K53Kushiro釧路308.4++
B54Higashi-Kushiro東釧路311.3*■ Senmō Main Line
Musa武佐312.5*
Beppo別保317.0*Kushiro Town, Kushiro
Kami-Oboro上尾幌331.7*Akkeshi, Akkeshi
Oboro尾幌340.9-
Monshizu門静350.1-
Akkeshi厚岸355.0+
Chanai茶内375.2+Hamanaka, Akkeshi
Hamanaka浜中382.2+
Anebetsu姉別392.3-
Attoko厚床398.9+Nemuro
Bettoga ◌別当賀414.5*
Ochiishi落石424.8+
Konbumori ◌昆布盛428.8*
Nishi-Wada ◌西和田433.6*
Higashi-Nemuro東根室442.3*
Nemuro根室443.8+
    • Higashi-Nemuro Station, the easternmost railway station in Japan
      Higashi-Nemuro Station, the easternmost railway station in Japan
    • Obihiro Station
      Obihiro Station
    • Kami-Atsunai Station
      Kami-Atsunai Station
    • Hanasaki Station (Closed in March 2016)
      Hanasaki Station (Closed in March 2016)
    • Nemuro Station
      Nemuro Station

    History

    The line was built as a link line between central and eastern Hokkaido, by Hokkaido Government Railway (北海道官設鉄道, Hokkaidō Kansetsu Tetsudō). The first section of the current Nemuro Line was opened between Kushiro - Shiranuka in 1901. The line was extended westward, reaching Furano in 1907. In 1913 the Furano - Takikawa section opened, shortening the route by 53.5 km. The first section, originally included as part of the Nemuro Line, become classified as the Furano Line in 1913.

    In 1911, 1st class sleeping accommodation was included on the Hakodate to Kushiro train, and a dining car was added from 1916.

    The first section of the line east of Kushiro opened in 1917, reaching Nemuro in 1921.

    In 1966, two major deviations opened, the first, east of Kanayama, associated with the construction of the Kanayama Dam, and the second between Ochiai and Shintoku, including the 5,790 m Shinkarikachi tunnel allowing the line to bypass the 1907 Karikachi tunnel and associated 1 in 40 (2.5%) grades.

    In 1971, a refrigerated container train was introduced between Kushiro and Tokyo.

    In 1990, a new tunnel and associated alignment opened near Atsunai, and a deviation near Shimanoshita associated with the construction of the Takisato Dam was opened in 1991.

    Decline and closures

    In 1981, the Sekishō Line opened between Shin-Yubari and Shintoku, becoming the main route between central and southeastern Hokkaido and shortening the distance for stations east of Shintoku to Sapporo. This led to a rapid decline in ridership on the Furano-Shintoku segment of the Nemuro Main Line, from 4,664 a day in 1980 to 654 a day in 1985. Population decline in the area also contributed to a decline in ridership. By 2015, only 152 people per day were using this segment of the line, most of whom were commuting senior high school students.[7]

    On 31 August 2016, torrential rainfall damaged the 17.4 km section between Higashi-Shikagoe and Kami-Ochiai Junction resulting in the passenger service from Higashi-Shikagoe to Shintoku being replaced by a bus.[7] Thereafter, on 19 November 2016, JR Hokkaido's president announced plans to rationalise the network by up to 1,237 km, or ~50% of the current network,[8] including closure of the Nemuro Line between Furano and Kami-Ochiai Junction. In January 2022, the four local governments between Furano and Shintoku gave up on maintaining this segment of the line, and in December the president of JR Hokkaido announced a goal to convert this portion to bus service in 2023 or thereafter.[9] A notice of abolition was submitted on March 31, 2023.[1][JR Hokkaido 1]

    The section between Kushiro and Nemuro was also proposed for conversion to Third Sector operation, but if local governments were not agreeable, such sections would also face closure. In April 2021, Nemuro City raised over 50 million yen through crowdfunding to keep the eastern Hanasaki Line portion open, after JR Hokkaido stated that the line was difficult to maintain on its own.[10] As of mid-2021, this portion of the line saw only about 200 passengers per day.[11]

    On 16 March 2019, Chokubetsu Station, Shakubetsu Station and Hattaushi Station were closed, two of these becoming signal points: Chokubetsu and Shakubetsu.[12]

    On 14 March 2020, Furuse Station was closed, reducing the number of stations on the Nemuro Main Line to 60.

    In June 2023, it was revealed that five more stations would be closed owing to low ridership: Higashi-Takikawa, Atsunai, Oboro, Bettoga, Kombumori.[13]

    Former connecting lines
    Taushubetsu bridge on the former Tokachi Mitsuma line

    Ashibetsu area
    • Ashibetsu station - The Mitsui Mining Co. opened a 10 km line to Tamagawa in 1940/45. A 3 car DMU provided a passenger service 1958–72. The line closed in 1989.
    • Kamiashibetsu station

    The Mitsubishi Mining Co. opened an 8 km line to Penke Sanko in 1949, and a 1 km branch to the Yuya mine in 1954. Both closed with the mine in 1964.

    A 762 mm (2'6") gauge logging tramway was operated from Kamiashibetsu commencing 1934. By 1954 it had a 31 km 'main line' and 5 branches totalling 44 km. The lines closed in 1961 when log trucks replaced the tramway.

    Shintoku area
    Wagon used on the Kamishihoro line
    • Shintoku station - A private 54 km line operated to Kamishihoro, where it connected to the JR Shihoro line (see below). Opened 1928/31, it closed beyond Urimaku in 1949. The remaining 29 km section closed in 1968. The Tokachi - Bandaibashi line (see below) crossed the line twice.
    • Tokachi station - A 29 km 762mm line built to haul sugar beets operated to Bandaibashi opened between 1925 and 1928, with 4 branches totalling 28 km. The lines closed in 1951.

    Obihiro area
    Former Chihoku line, 2006
    • Obihiro station

    The 78 km Shihoro Line to Tokachi Mitsuma opened in sections between 1925 and 1939. An 18 km deviation built in association with the Nukabira Dam opened in 1955. The line closed in 1987.

    The 84 km Hiroo Line opened between 1929 & 1932 and was closed in 1987. A proposal to extend the line to Samani and connect to the Hidaka Main Line did not eventuate.

    A 4 km private 1067mm (3'6") line connected a sugar beet factory to Obihiro. The sugar beets were transported to the factory by a 3 line 762mm gauge network totalling 59 km, which operated 1924–77.

    • Ikeda station - The 140 km Chihoku line was the original line to Abashiri and connected to the Sekihoku Main Line at Kitami, opening 1910/12. It was transferred to private operation in 1989, and closed in 2006.

    Shakubetsu - Higashi-Kushiro section
    Hokushin station in winter
    • Shakubetsu station - The Mitsubishi Mining Co. opened an 11 km 762mm gauge line to Sumiyama in 1920. The line was re-gauged to 1067mm in 1942 and closed with the mine in 1970.
    • Shiranuka station - A 25 km line to Kamicharo opened in 1964, and was extended 8 km to Hokushin in 1972. The line closed in 1983.
    • Shinfuji station - A 29 km 762mm gauge horse-drawn tramway was opened to Nakasetsuri in 1929. A charcoal gas-powered locomotive was introduced in 1941, and a 19 km branch to Shinhororo opened in 1943. The lines closed in 1967/68.
    • Kushiro station - The Mitsubishi Mining Co. also operated a 44 km line from Kushiro - Yubetsu Sumiyama, opened 1923/26 and closed with the mine in 1970. It also connected to the Nemuro line at Shinfuji, where a 2 km line connecting to a wharf operated 1951–84, ownership of it transferring to the Kushiro Port Co in 1970.
    • Higashi Kushiro station - The Pacific Ocean Coal Co. opened a 6 km line from a coal mine at Harutori to Irifune-cho wharf in 1926/27, with a 3 km line connecting the mine to Higashi-Kushiro opening in 1928. Passenger services ceased in 1963, and the line was truncated 2 km in 1966 when a new coal loading wharf opened. The Higashi-Kushiro - Harutori section closed in 1986, with the remaining 4 km Taiheiyo line continuing to operate as the only remaining colliery line in Japan.

    Hamanaka - Nemuro section
    1963 railcar from the Shibetsu development lines
    • Hamanaka station - The Hamanaka Prefectural Government operated a 762mm gauge network of 3 lines totalling 27 km opened between 1929 and 1932, closing 1972.
    • Attoko station - In 1925 a horse-drawn 762mm tramway opened to Nakashibetsu, being replaced by a 1067mm line in 1933, which closed in 1989. It connected to a branch from Shibecha (on the Senmo Main Line) to Shibetsu which operated between 1936 and 1989, the two branches being known collectively as the Shibetsu Line. A total of 9 separate 762mm gauge development lines connected to stations along the Shibetsu Line were built between 1930 and 1963, the last closing in 1971.
    • Nemuro - A 15 km 762mm gauge line operated to Habomai between 1929 and 1959 to transport kelp to the Nemuro port (located about 1 km from the Nemuro JR station), is the most easterly railway in Japan. A proposed 7 km extension to Cape Nosappu was not built.

    See also

    Notes
      1. "根室線（富良野・新得間）の鉄道事業廃止届の提出について" (PDF) (Press release). 北海道旅客鉄道. 2023-03-31. Archived from the original (PDF) on 2023-03-31. Retrieved 2023-03-31.

      References
      1. "北海道旅客鉄道株式会社の鉄道事業の一部を廃止する届出及び本届出に係る公衆の利便の確保に関する意見の聴取について" (PDF) (Press release). 国土交通省北海道運輸局. 2023-03-31. Archived from the original (PDF) on 2023-03-31. Retrieved 2023-03-31.
      2. "Notice of rail replacement bus service between Higashi-Shikagoe and Shintoku" (PDF). March 12, 2022.
      3. "The Limited Express Ozora for Kushiro, Obihiro, and Sapporo – Sapporo Station". www.sapporostation.com. Retrieved 2023-01-06.
      4. JR Hokkaido online timetable, January 2023
      5. "Increase in JR train cancellations caused by deer, with 88 in 12 days - The Hokkaido Shimbun Press". Retrieved 2023-01-06.
      6. "Cape Nosappu: The most eastern point in Japan". JRPass.com. Retrieved 2023-01-06.
      7. "ＪＲ根室線 富良野〜新得廃止へ 地域の足はどうなる？". NHK北海道 (in Japanese). Retrieved 2023-01-06.
      8. "JR Hokkaido says it can't maintain half of its railways". The Japan Times. 19 November 2016. Archived from the original on 2 February 2017.
      9. "富良野―新得、早期バス転換目指す ＪＲ北海道社長 新幹線延伸「目標通りに」：北海道新聞 どうしん電子版". 北海道新聞 どうしん電子版 (in Japanese). Retrieved 2023-01-06.
      10. "Over $455,000 donated to save local line in Hokkaido for use as 'train trips' for children". Mainichi Daily News. 2021-04-07. Retrieved 2023-01-06.
      11. Tandler, Agnes (2021-06-02). "Loneliness at the End of the Line". japan-forward.com. Retrieved 2023-01-06.
      12. "2019年３月ダイヤ改正について" [About March 2019 schedule revision] (PDF). JR Hokkaido (in Japanese). 14 December 2018. Archived from the original (PDF) on 14 December 2018.
      13. Sugiyama, Junichi (26 June 2023). "「JR北海道が42駅廃止検討」報道、宗谷本線の駅がごっそり消える?" [Report of JR Hokkaido regarding abolition of 42 Stations, majority of which are on the Soya Main Line]. MyNavi Corporation (in Japanese). Archived from the original on 27 June 2023. Retrieved 4 July 2023.
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