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🧑‍🎨 | Deep history revealed !? "Abira Town" known from the manhole cover [Hokkaido Manhole Recommendation]


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A deep history is revealed !? "Abira Town" known from the manhole cover [Hokkaido Manhole Recommendation]

 
If you write the contents roughly
Oiwake Station, which opened in 25 and is currently served by the Sekisho Line and the Muroran Main Line.
 

Did you know that "manhole covers" have become more popular in the last few years?As the name implies, the manhole cover is ... → Continue reading

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Muroran Main Line

Muroran Main Line(Muroran Honsen) isHokkaidoYamakoshi DistrictChomanbe Town OfChomanbe StationFromMuroran,TomakomaiAnd so onIwamizawa OfIwamizawa StationThe main line connecting the two and Muroran CityHigashi Muroran StationからMuroran StationConsists of branch lines connectingHokkaido passenger railway(JR Hokkaido)Railway line(Main line).

Overview

At both ends of Oshamambe Station and Iwamizawa StationHakodate honsenIt runs along the sea between Oshamambe Station and Tomakomai Station, and inland between Tomakomai Station and Iwamizawa Station.

Currently operated throughout the entire linePassenger trainThere is no.From Oshamambe StationChitose LineConnect withNumanohata StationUntilSapporo StationArrival and departureLimited express trainIs a section that goes through manySapporoとHakodateIt is part of the artery that connects to.Of these, between Muroran Station-Higashi Muroran Station-Numanohata StationAC electrificationHas been done.On the other hand, Numanohata Station-Iwamizawa StationHonor trainThere is no operation, and local transportation is the main focus.Japan Freight RailwayBy (JR Freight)freight trainIs operated on all lines except branch lines.

In the lineShiraoi Station --Between Numanohata Station 28.736 km The section ofJapan's longestIt is a straight section of the railway (TurnoutThere are incidental curves, etc., and the orbit is not always straight in the same section).

Between Tomakomai Station and Numanohata Station, along with the Chitose LineICBoarding card"KitacaIt is an available area.

Abolition problem

On November 2016, 28 (Heisei 11), JR Hokkaido announced 18 routes and 10 sections as "routes that are difficult to maintain by itself" due to severe business conditions.[Press 1]..Of the Muroran Main Line, the section between Numanohata Station and Chomanbe Station and between Higashi Muroran Station and Muroran Station can be maintained by JR Hokkaido alone.On the other hand, the section between Iwamizawa Station and Numanohata Station is said to be "a line section where the company alone cannot secure the cost to sustainably maintain" safe railway services "including the renewal of aging civil engineering structures."[Press 1]In the future, we plan to discuss with local governments along the railway lines, focusing on cost reduction, fare increase, utilization promotion measures, conversion to upper and lower separation method, etc.[Press 2].

History

HistoricallyHokkaido Charcoal RailwayBuilt byRailway National LawMuroran nationalized by-Iwamizawa and then the national railwayLong wheel line(Osawasen / Chorinsen)[Annotation 2][5]It was built as Oshamambe-divided between Higashi Muroran.

1928(Showa3 years)May 9When the current route goes through[6],KarafutoThe express train that was operated to contact the train was changed from the conventional route via Sapporo Station on the Hakodate Main Line to a route that goes through this line without passing through Sapporo, giving priority to express delivery.[6].. Four years later1937Although it was returned to the conventional Hakodate main line in June (Showa 12), due to its historical backgroundChomanbe Station - Iwamizawa StationIn between1958Until (Showa 33), the fare calculation between this line and the Hakodate main lineRoute specific sectionWas set (the fare is calculated via this line even via the Hakodate Main Line).

Also, in the latter half of the 1950s, the number of honorary trains via the Muroran / Chitose Line increased instead of via the Hakodate Main Line Otaru. At that time, the fare will be calculated via Otaru unless you get off the train.Train specific sectionAfter that, it became a route specific section, but this special case was abolished in March 1994.

1960It was carried out in a 35-year plan from (15)vaporToward the total abolition of drivingPower modernization planThen, Muroran Main Line Iwamizawa-Numanohata andNon-electrifiedHigashi Muroran, which has a large number of limited express and freight trains as a section-OshamambeElectrificationIt was included in the plan,coalHakodate Main Line due to the decline in transportationShin-Hakodate Hokuto(Former: Ohno Watashima) --It has not been realized even as of 2016 with Oshamambe.

Before integration

Muroran-Iwamizawa

Hokkaido Colliery and Railway Muroran Line
  • 1892(Meiji25 years)May 8: Muroran Station (XNUMXst generation) --Newly opened between Iwamizawa Station[7]..Muroran Station (first generation) in the same section[8]・ Horobetsu Station[8]・ Noboribetsu Station[8]・ Shiraoi Station[8]・ Tomakomai Station[8]・ Oiwake Station[8]・ Yuni Station[9]Newly established.
  • 1893(26th year of Meiji)May 7: Newly established Kuriyama Station[9].
  • 1894(27th year of Meiji)
    • August 8: Established Hayakita Station[8].
    • May 10: Newly established Seishinfu Station[9].
  • 1897(30th year of Meiji)
    • May 2: Shikiu Station[8]・ Mikawa Station[8]Newly established.
    • July 7: Renamed Muroran Station (first generation) to Wanishi Station (first generation)[10]..At the same time, the section between Muroran Station (2nd generation) and Wanishi Station (2st generation) was extended and opened, and Muroran Station (XNUMXnd generation) was newly established in the same section.[7][9].
  • 1898(31th year of Meiji)May 2: Nishitappu Station[8]・ Numanohata Station[8]Newly established.
  • 1901(34th year of Meiji)May 12: New Washibetsu Station[8].
  • 1902(35th year of Meiji)
    • August 8: (Currency) Shibun Station newly established[9].
  • 1903(36th year of Meiji)May 4: Shibun Station starts passenger business.
  • 1905(38th year of Meiji)May 6: (Currency) Misaki Station newly established[9].
National Railway (Public Railway) Muroran Main Line
  • 1906(Meiji 39) October 10: Hokkaido Colliery and RailwaynationalizationMuroran Station (2nd generation) -Iwamizawa Station becomes a public line[7].
  • 1907(40th year of Meiji)May 12: Shiretoko signal station and Shadai signal station are newly established.
  • 1909(42th year of Meiji)
  • 1910(43th year of Meiji)May 12: Muroran Station (2nd generation) --Double track between Wanishi Station (XNUMXst generation)[7].
  • 1912(45th year of Meiji)May 4: Shiretoko Station starts passenger business.
  • 1917(Taisho6 years)May 6: Koito fish signal station and Ipponmatsu signal station are newly established.Shadai Station starts passenger business.
  • 1920(Taisho 9)
    • May 8: Abolished Ipponmatsu signal station.
    • May 8: Tomakomai Station-Double track between Toasa Station.
  • 1921(Taisho 10)May 10: Toasa Station-Double track between Oiwake Station[7].
  • 1922(Taisho 11)
    • April 4: Changed Koitoyo signal station to signal box.
    • June 6: Misaki Station begins passenger operations.
  • 1926(Taisho 15)
    • May 6: Noboribetsu Station-Double track between Shikiu Station.
    • May 7: Horobetsu Station-Double track between Noboribetsu Station[7].
  • 1928(Showa3 years)
    • May 8: Newly established Kojohama Station[8].
    • May 9: Renamed Wanishi Station (first generation) to East Wanishi Station[10]..Wanishi Station (2nd generation) newly established[9].

Oshamambe-Higashi Muroran (National Railways Oshamambe Line)

  • 1923(Taisho 12)May 12: National RailwayLong wheel lineAs a result, the section between Oshamambe Station and Shizukari Station (10.6 km) was opened.Shizukari station newly established in the same section[6][8].
  • 1925(Taisho 14)May 8: National RailwayNagawa East LineWanishi Station (first generation) -Datemonbetsu Station opened[6]..Datemonbetsu Station in the same section[8]・ Mareppu Station[8]・ Golden Rubeshibe Station[8]・ Motowanishi Station[8]Is newly established.At the same time, take the Oshamambe Station-Shizukari Station Naganawa LineNagawa West LineRenamed the line to.
  • 1928 (Showa 3) September 9: Shizukari Station-Datemonbetsu Station is extended and opened, and the Nagawa West Line and Nagawa East Line are integrated.Long wheel lineRenamed to[6]..Rebun Station in the extended opening section[8]・ Ofukeshi Station[8]・ Tsube Station[8]・ Abuta Station[8]・ Usu Station[8]・ Nagaryu Station[8]Is newly established.Hakodate Station- Wakkanai StationNew express train between Naganawa Line and Muroran Main Line[6].

After integration

  • 1931(6)
    • April 4: Incorporated the Naganawa Line into the Muroran Main Line.The main line is between Oshamambe Station and Iwamizawa Station, and the branch line is between Higashi Wanishi Station and Muroran Station (1nd generation).Muroran Main LineTo[6].
    • May 9: Renamed Higashi Wanishi Station to Higashi Muroran Station[10].
  • 1934(9)
    • May 7: Muroran Station (2nd generation) --First in Hokkaido between Higashi Muroran StationGasoline carstart operation[7][Newspaper 2].
    • May 10 : Hokkaido RailwayPassenger trains between Naebo Station and Numanohata Station on the Sapporo Line (currently the Chitose Line) begin to enter Tomakomai Station[7].
  • 1935(10)
    • April 4: From Ofukeshi Station to Okishi Station[10], Toyoura station from Tsube station[10]Renamed to.
    • December 12: Newly established Bokoi Station[9].
  • 1942(Showa 17) April 4: Shikiu Station to Takeura Station[10], Shiretoko station to Hagino station[10]Renamed to.
  • 1943(18)
    • July 7: Double track between Higashi Muroran Station and Horobetsu Station[7].
    • May 9: Asahihama signal box, Furuyama signal box, Kurioka signal box are newly established.
    • May 9: Established Koboro signal box.
  • 1944(19)
    • May 7: Oiwake Station-Double track between Mikawa Station.
    • October 10: Double track between Motowanishi Station and Higashi Muroran Station.Toyosumi signal box, Date Funaoka signal box, Jinyamachi signal box are newly established.
  • 1945(20)
    • May 4: Established Toribushi signal field.
    • August 8: Established Kita-Irie Signal Station (first generation).
  • 1946(Showa 21) April 4: Furuyama signal box[9]・ Kurioka signal box[9]Changed to a station.
  • 1947(22)May 11: Abolished Toribushi signal field.
  • 1948(Showa 23) July 7: Kita-Irie Signal Station (first generation)Temporary boarding / alighting areachange to.Date Funaoka signal box abolished.
  • 1949(24)
  • 1950(25) September 9: Renamed Nishitappu Station to Nishikioka Station[10].
  • 1952(27)May 11: Renamed Kogane Station to Kogane Station[6][10].
  • 1953(28)
    • May 7: Changed Jinyacho signal box to passenger station.
    • May 11: Koitoi Station-Double track between Tomakomai Station.
    • May 12: New Tomiura Station[7][8].
  • 1954(29)May 9: Nishikioka Station-Double track between Koitoyo Station.
  • 1955(Showa 30) November 11: Established a temporary boarding area for Sakimoricho.
  • 1956(Showa 31) April 4: Changed Koitoi fish signal box to a station and opened as Itoi station[7][8][10].
  • 1957(32)
    • September 9: Double track between Shiraoi Station and Nishikioka Station.
    • May 11: Hagino Station-Double track between Shiraoi Station.
  • 1958(33)May 11: Takeura Station-Double track between Hagino Station[7].
  • 1959(Showa 34) October 10: Renamed Nagawa Station to Nagawa Station[6][10].
  • 1960(35)
    • May 5: Muroran Station-(Currency) Nishi-Muroran Station (1.4 km) freight branch line opens[7]..Nishi-Muroran Station is newly established in this section.[11].
    • October 10: Changed the temporary boarding area for Toyosumi to a station and renamed it to Toyosumi Station.[11].
  • 1961(Showa 36) October 10: Between Shibun Station and Iwamizawa StationIwamizawa marshalling yardIncrease the freight line via the single trackSingle trackAnd.Ipponmatsu temporary signal box is newly established.
  • 1962(Showa 37) November 11: Renamed Abuta Station to Toya Station[6][10].
  • 1963(38)
    • Date unknown: Ipponmatsu temporary signal box abolished.
    • September 9: Kita-Funaoka signal box is newly established.
  • 1964(39)
    • July 7: Shizukari Station-Double track between Koboro signal box.
    • September 9: The Kita-Irie temporary boarding area was relocated to the Usu side for 30m and changed to a signal box.
  • 1965(40) November 11: Established Kita-Yoshihara Station[7][8].
  • 1967(42)
    • September 9: A landslide occurred between Toyoura Station and Toya Station, and a guard hut at the double-track construction site collapsed, killing one person.Snow shedDue to a large-scale collapse that destroys[Newspaper 3], The Seikan Ferry will berth at Muroran Pier from October 10, and will carry out freight car transportation.[7].. Restored on October 10[6].
    • May 9: Koboro signal box --Double track between Rebun station.
    • October 10: Changed the Koboro signal box to a temporary boarding area.
  • 1968(43)
    • May 5: Abolished Toyoizumi Station[6][11].
    • May 9: Usu Station-Double track between Nagawa Station.
    • September 9: Double track between Yuni Station and Kuriyama Station.
    • May 9: Kogane Station-Double track between Jinyamachi Station.Changed the temporary platform for Sakimoricho to a station and renamed it to Sakimori Station[6][8].
    • September 9: Double track between Okishi Station and Toyoura Station.
    • November 11: Double track between Mareppu Station and Kogane Station.
  • 1969(44)
    • September 9: Double track between Oshamambe Station and Shizukari Station.
    • May 9: Changed Asahihama signal box to temporary boarding area.
    • May 9: Kuriyama Station-Double track between Kurioka Station.
  • 1970(45)
    • May 6: Toyoura Station-Double track between Toya Station.
    • August 8: Changed Jinyamachi Station from a passenger station to a freight station.
  • 1975(50)
    • August 8: Seikan Ferry berths at Muroran Wharf due to interruption between Mori Station and Nodaoi Station on the Hakodate Main Line, and passenger transportation between Hakodate Station and Muroran Station is carried out.[7].
    • May 10:礼文駅 - 大岸駅間を複線化[Newspaper 4].
    • May 12: Muroran Station (2nd generation) --The regular passenger train "SL Goodbye Train" (225 trains) is operated between Iwamizawa Station by the last steam locomotive of JNR (the traction machine is C57 135).[7][12].
  • 1978(53)May 10:陣屋町駅 - 本輪西駅間を複線化[Newspaper 5].
  • 1980(55) October 10: Muroran Station (1nd generation) --Higashi Muroran Station --Numanohata Station (2 km)Electrification[Newspaper 6](Alternating current20,000V・ 50Hz).Along with this, Muroran Station (2nd generation) --Tomakomai Station --From the basic operation system of direct operation between Iwamizawa Station, Muroran Station (2nd generation) --Tomakomai Station (--Tomakomai Line) and Tomakomai Station - The operation system will be changed to the one between Iwamizawa Station.Muroran Station (2nd generation) --L-tokkyu "Lilac" newly established between Sapporo Station and Asahikawa Station[7].
  • 1981(56) March 3: Muroran Station (5nd generation) --Between Numanohata Station and the Chitose LineCTCConversion.
  • 1984(59) February 2: Most of between Numanohata Station and Iwamizawa StationPassenger carTrainRailcarBy being madeOld passenger carEnd of operation[Annotation 3].Yubari Station --Oiwake Station --Iwamizawa Station --Only one round trip was operated on the route between Sapporo Stationlocal trainRoute change (Yubari Station-Oiwake Station- Chitose AirportDue to the station-Sapporo station), the number of flights between Oiwake station and Iwamizawa station will be reduced by one round trip (downhill in the morning and uphill at night).
  • 1985(60)May 3: Muroran Station (2nd generation)-(Currency) Nishi-Muroran Station (1.4 km) freight branch line abolished[7]..Abolished Nishi-Muroran Station in this section[11]..Abolished freight business between Misaki Station and Muroran Station (2nd generation).Reduced one night train between Tomakomai Station and Iwamizawa Station (at this point, the number of trains in this section is now).
  • 1986(61) November 11: Abolished freight business between Higashi Muroran Station and Misaki Station.Abolished the Kita-Irie signal field (first generation).Numanohata Station-Iwamizawa Station, the passenger train that remained until the end was converted to a diesel train, and at the same time, the operation of the Hakodate Main Line direct train was canceled from this section.

After privatization

  • 1987(Showa 62) April 4:Privatization of the national railway divisionAlong with,Hokkaido passenger railway(JR Hokkaido)First-class railway operatorAs a whole line is inherited.at the same time,Japan Freight Railway(JR Freight) between Oshamambe Station and Iwamizawa StationSecond-class railway operatorWill be.Asahihama temporary boarding area[6][8]・ Koboro temporary boarding area[6][8]・ Kita-Funaoka signal box[6][8]Changed to a station.Moved the freight station of Tomakomai station and newly established Tomakomai station.
  • 1988(63)May 11: Aoba station newly established[7][8].
  • 1990(Heisei2 years)May 4: Kuriyama Station-Due to the collapse of the Kuriyama Tunnel between Kurioka Station, the old and down lines were abolished and single-tracked.
  • 1992(4)
    • July: PRC introduced between Numanohata Station and Muroran Station (7nd generation)[13].
    • August: Between Tomakomai Station and Muroran StationATS-SNstart to use[Newspaper 7].
  • 1993November: Start using ATS-SN between Higashi Muroran Station and Oshamambe Station[Newspaper 7].
  • 1994(6)
    • May 3: Only diesel trains are one-man in all sections.With the start of operation of the limited express "Super Hokuto", the maximum speed between Oshamambe Station-Higashi Muroran Station-Numanohata Station has improved to 130 km / h.
    • May 3: Kita-Irie signal field (2nd generation) is newly established.
    • November 11: Reconstruction and improvement of the old freight line route, which had been suspended, caused a change in the track between Shibun Station and Iwamizawa Station (+1 km)[Newspaper 8]..RelatedRailroad crossingAlso resolved.
  • 1996(8)May 10: JR Freight's Higashi Muroran Station moved to the site of the Higashi Muroran marshalling yard, and Higashi Muroran Station was newly established.
  • 1997(9) October 10: Due to the relocation of Muroran Station (1nd generation), the distance between Bokoi Station and Muroran Station (2nd generation) was changed (-2 km).
  • 1998(10): Introduced PRC between Iwamizawa Station and Numanohata Station[13].
  • 2000(12)
    • May 3 : Mt. UsuHigashi-Muroran Station-Oshamambe Station is closed due to the eruption of[6].
    • May 4: Limited freight trains will be operated for all sections that were interrupted by the eruption of Mt. Usu[6][Newspaper 9].
    • May 4: All sections that had been interrupted by the eruption of Mt. Usu will be resumed, and passenger trains will be operated in a limited manner[Newspaper 9].
    • May 6: Of the limited express that was detoured due to the eruption of Mt. Usu, operation resumed only during the daytime[Newspaper 10].
    • May 6: Normal operation resumes, including nighttime limited express trains, sleeper trains and freight trains that were detoured by the eruption of Mt. Usu[Newspaper 11].
  • 2006(18)May 3: Abolished Asahihama Station[Press 3].
  • 2007(19) October 10: Chomanbe Station-Numanohata Station and Higashi Muroran Station-Muroran Station (1nd generation), Oiwake Station, Iwamizawa StationStation numberingImplement[Press 4].
  • 2008(20) October 10: Between Tomakomai Station and Numanohata StationIC ticket"KitacaIntroduced[Annotation 4][Press 7][Press 8].
  • 2009(21)May 3: Tomakomai Station-IC ticket "Kitaca" and "Kitaca" between Numanohata StationSuicaStart mutual use with[Press 9][Press 10].
  • 2011(23)May 3: JR Freight Tomakomai StationTomakomai Freight StationRenamed to[Press 11].
  • 2013(25)
    • May 3: Tomakomai Station-The mutual use service with the IC ticket "Kitaca" between Numanohata Station is now available in addition to the conventional "Suica".PASMO","sense of","TOICA","PiTaPa","ICOCA","Hayakaken","nimoca","SUGOCAExpanded to[Press 12].
    • November 11: Due to the deceleration and reduction of limited express trains, the maximum speed between Oshamambe Station-Higashi Muroran Station-Numanohata Station will be 1 km / h.[Press 13][Press 14].
  • 2020(Reiwa2 years)May 11 - May 11: Numanohata Station-Some trains between Tomakomai Station and Oiwake Station are suspended due to intensive repair work of railroad tracks between Oiwake Station.[Press 15][Annotation 5].
  • 2021(3nd year of Reiwa)May 11 - May 11: Some trains in the night zone will be suspended due to intensive repair work of railroad tracks between Oshamambe Station and Higashi Muroran Station (planned)[Press 16].

Route change due to double tracking

On the Muroran Main LineDouble trackAt the same time as the change, there are sections where the route was changed or double-tracked due to the construction of a separate line for the purpose of easing the slope and easing the sharp curve.Many of the roadbeds and abandoned tunnels on the old line can be visually confirmed from the window of the train running on the current line.This section describes the large ones.

Between Shizukari Station and Rebun Station
The terrain of this section is such that steep mountains approach the coast, and the majority of the existing lines are tunnel sections.Double tracking was carried out by establishing a new single track (increasing the abdominal line).Between Shizukari Station and Koboro Station, a new single track including two tunnels was constructed on the mountain side of the existing line, with the existing line being the up line and the new line being the down line.Between Koboro Station and Rebun Station, a new single track including a tunnel was constructed on the sea side of the existing line, with the existing line being the down line and the new line being the up line.
Between Rebun Station and Okishi Station
The existing line in this section was a section with many obstacles such as sharp curves due to steep terrain, falling rocks from cliffs facing the railroad tracks, weathering of the revetment facing the coast, and railroad crossings with poor visibility at the tunnel exit.Therefore, it was decided to newly establish a double track (additional double track line) to avoid obstacles.A double track including two tunnels was newly constructed on the mountain side of the existing line, and the existing line was abolished.As a result, the route extension was shortened by about 2 m.Later, part of the existing roadbed and two tunnels were converted to roads as an alternative to parallel roads.
Between Okishi Station and Toyoura Station
The existing line in this section took a route that largely detoured to the mountain side in order to avoid steep terrain along the sea.Since it was a section with continuous sharp curves and slopes, it was decided to construct a new double track including two tunnels along the sea.As a result, the length of the line will be shortened by about 2 km.The existing line was abolished and was on the existing lineToyoizumi StationWas abolished at the same time.
Between Toyoura Station and Toya Station
The existing line in this section was constructed along the coastline, so there are many sharp curves.Collapse of the groundThere was also the danger of.Therefore, it was decided to improve from the new construction of another line at the same time as double tracking.First, a single track including four tunnels was newly constructed on the mountain side of the existing line, and the existing line was abolished when the route was switched.After that, a single track for the up line including five tunnels was newly constructed by utilizing a part of the roadbed of the existing line that was abolished.As a result, the first single track was used as the down line, and it became a double track.
Between Kogane Station and Jinyamachi Station
The existing line in this section was S-shaped and detoured, so it was double-tracked and straightened at the same time.A double track including four tunnels was newly constructed so as to pass through the center of the line of the existing line, and the length of the line was shortened by about 4 m.Sakimori Station, which was in this section, was relocated to the vicinity of the grade separation of the existing new line with the existing line.A part of the existing line between Jinyamachi Station and Sakimori Station was converted to a freight line.
Between Jinyamachi Station and Motowanishi Station
The existing line in this section had a sharp curve along the coast, so it was decided to double track and straighten it at the same time. A double track including one tunnel was newly constructed, and the length of the line was shortened by about 1 m.

Operation form

Wide area transportation

Oshamambe Station- Higashi Muroran Station - Tomakomai Station・ Between Numanohata Station, from HakodateHakodate honsen, To sapporoChitose LineWithHakodate Station - Sapporo StationConnectMain lineMany as a routeLimited express trainAnd Honshu directfreight trainIs being driven.This section and the Chitose Line are integrated with a diamond, and the Chitose Line was originally from Sapporo City.Shiroishi StationIs the starting point, but the direction of Tomakomai is "up".In addition, it is sometimes called the "Kai Line" as a name for the so-called "Mountain Line" between Oshamambe Station and Otaru Station on the Hakodate Main Line.

Electrified sectionHigashi Muroran Station, which is the end of Muroran StationIn between, the limited express to Sapporo "Lily of the valley"Butlocal trainI'm on board as.

others,Naebo FactoryToInspectionBecause of electrificationNon-electrifiedThrough the sectionDiesel locomotiveIt is located in the Hakodate area by the traction ofKaikyo LineForElectric train-Electric locomotive OfForwardingThe train is also in operation.

This line is non-electrified between Oshamambe Station-Higashi Muroran Station and Numanohata Station-Iwamizawa Station, and there is also a main railway connecting to this line.Sapporo metropolitan areaMost of the routes are non-electrified except for this line, so freight trains in Hokkaido including this lineKaikyo Lineas well as the Donan Isaribi Railway LineAll exceptDF200 typeandDD51 typeIt is towed by a diesel locomotive. The regular operation of DD51 type was completed on April 2014, 26 (Heisei 4).All freight stations on this line are on electrified sections, but the freight station premises are all non-electrified, including arrival and departure lines.

Regional transportation

Generally, the operation system is divided into "Chomanbe Station-Higashi Muroran Station", "Higashi Muroran Station-Muroran Station", "Higashi Muroran Station-Tomakomai Station", and "Tomakomai Station-Iwamizawa Station".There are no regular trains that run directly on all lines.

Between Oshamambe Station and Higashi Muroran Station

Between Oshamambe Station and Higashi Muroran Station, in addition to the trains that run directly through this section,Toyoura Station-Datemonbetsu StationThere is a section train that turns back toward Higashi Muroran.Koboro StationThere are trains passing by.Some trains change direction at Higashi Muroran Station and run to Muroran Station.Only two morning trains (from Oshamambe to Tomakomai and from Toyoura to Noboribetsu) go directly to the east of Higashi Muroran.Ordinary trainsOne-man drivingIt is carried out.The number of regular trains in this section is extremely small (especially between Oshamambe Station and Toyoura Station), and there are many limited express trains. Numanohata Station in 1980 (Showa 55) -Non-electrified after the electrification between Muroran Station, in some sectionsSingle lineRemains.

Between Muroran Station-Higashi Muroran Station-Tomakomai Station

Between Higashi-Muroran Station and Muroran Station, there are trains only for this section, but there are many direct trains in the direction of Noboribetsu, and some trains change direction at Higashi-Muroran Station and go directly to Datemonbetsu.In addition, the limited express "Suzuran" (in the past, the express "Chitose") is a regular train in this section, complementing the section train.Some trains are for "Suzuran"785 seriesand789 seriesAlthough trains are used for timely operation, most trains are allocated to diesel trains.

Between Higashi Muroran Station and Tomakomai Station, in addition to the train that goes directly to this section,Noboribetsu StationA section train that returns to Higashi MuroranHagino Station-Itoi StationThere is a section train that turns back to Tomakomai.The train that runs beyond Tomakomai Station is directly connected to the Chitose Line.Sapporo StationThere is one round trip to and from Itoi Station, and one round trip to and from Itoi Station goes directly to the Oiwake area.

Until October 2012, 24, most of the regular trains departing from and arriving at Tomakomai Station in the direction of Higashi-Muroran and Muroran are trains (711 series), ButNext day 27th timetable revisionIt was replaced with a diesel train at Higashi Muroran Station-except for those using limited express trains between Muroran Station, Tomakomai Station-All ordinary trains between Muroran Station were operated by diesel trains.[Press 17]..Prior to this timetable revision, one-man operation was not carried out for trains operated by 711 series trains.

Between Tomakomai Station and Iwamizawa Station

Tomakomai Station-Iwamizawa Station was once inlandCoal-producing areaTo the port on the Pacific coastcoalIt is regarded as important as a route for carrying out, and it is heavy for coal transportation trains.RailWas transformedDouble trackIt was a section.After the coal industry declined, it did not pass through Sapporo and was connected at Kuriyama station.Yubari RailwayDue to the discontinuation of the line, only ordinary trains are operated.[Annotation 6], There are times when there are more than 3 hours intervals east of Numanohata Station.It is a one-man operation except for the train that goes directly to the Chitose Line at Numanohata Station.On the other handHonshu-DonanDirection andDohoku-Eastern HokkaidoFreight trains connecting directionsChartered trainIs using this section as a route that can avoid the Sapporo area, which has a large number of trains, while shortening the distance.Also, for a while, there is a special train that connects Sapporo Station-Furano Station during the tourist season.New Chitose Airport StationFor the convenience of users, it was once operated on the route of Minami-Chitose Station-(Sekisho Line) -Oiwake Station-Iwamizawa Station. In January 2021, New Chitose Airport Station will operate New Chitose Airport with the concept of operating a limited express train to Asahikawa Station via this section.Hokkaido AirportIt was reported that we are considering with[Newspaper 12].

In this section1975(Showa 50) January 12National railwayLaststeam locomotiveRegular passenger trains (from Muroran to Iwamizawa, 225 trains) were operated by towing.For the towing machineRailway museumIs stored inC57 typeUnit 135 was allocated.

Most of the lines remain double-tracked, but between Kuriyama Station and Kurioka Station, part of the light section of the Kuriyama Tunnel, which has a down line in April 1990, is at the top.SlopeSince it collapsed with it, it was abolished as it was and single tracked.At railroad crossings, etc.railHas been removed, but mostRoadbed・ Both rails are left as they are.The new Kuriyama tunnel currently in use was opened in 1969 (Showa 44) as a single-track tunnel for the up line, slightly away from the down line.

Between Shibun Station and Iwamizawa Station, there is a short track (former passenger line) from the beginning and the former Iwamizawa.Marshalling yardPass through1961The long-distance freight lines completed in (Showa 36) coexisted as single lines capable of bidirectional operation.Single line parallelsection).The old passenger line goes straight north from Shibun station and is near Iwamizawa station.National Route 12(4 Jodori, nowRoad No. 6Section) andRailroad crossingBecause it crossed at, the national highway and city road trafficbottleneckIt was.On the other hand, the old freight line once turned northwest from Shibun Station and then the Hakodate Main Line.Kami-Horomui StationBecause I was heading to the southwestern end of the marshalling yard that had spread to nearby, Iwamizawa city outsideFarmlandPassing through and on Route 12Multi-level crossingIt was over.For the purpose of eliminating the division of the city area and facilitating the city traffic, the suspended freight line1994In November (6), it was revived and converted to a passenger line, the original track (former passenger line) was abolished, and it became a single track again.Waste lineSome of the tracesMuroran Main Line Ruins Green AreaIt has become.

Vehicle used

Currently used vehicle

Limited express train

other than this,Sapporo DomeThe 183 series train will be used as a temporary limited express train in the direction of Sapporo-Muroran, which will be operated after the event in Sapporo.

local train

Only diesel cars support one-man operation.

  • Electric train
  • Railcar
    • Kiha 40 type
      Itoi Station - Iwamizawa StationUsed on regular trains in between.It was once used on regular trains between Muroran Station-Higashi Muroran Station-Itoi Station.Hidaka Main LineColored vehicles were also in operation, but withdrew from commercial operation with the introduction of the H2021 series in the same section on March 3, 13.[14].
    • Kiha 143 type
      Used for regular trains between Muroran Station-Higashi Muroran Station-Tomakomai Station. Since one round trip a day goes directly to the Chitose Line, there will be operation between Tomakomai Station and Numanohata Station.
    • Kiha 150 type
      Itoi Station-Used on regular trains between Iwamizawa Station.It was once not used between Tomakomai Station and Iwamizawa Station.Currently, the normal operation is shared with the Kiha 40 type, but unlike the Kiha 40 type, which has low performance, the operation of the Kiha 143 type on the Muroran main line may be replaced.It was also used on regular trains between Muroran Station-Higashi Muroran Station-Itoi Station, but withdrew from commercial operation due to the introduction of the H2021 series in the same section on March 3, 13.[14].
    • H100 type[Press 18][Press 19]
      Since March 2021, 3, it has been used on regular trains between Oshamambe Station-Higashi Muroran Station / Muroran Station-Tomakomai Station.

Vehicles used in the past

Limited express train

Express / semi-express trains, etc.

local train

  • Electric train
    • 711 series
      It was used for regular trains between Muroran Station-Higashi Muroran Station-Tomakomai Station. Since it was also used for the Chitose Line direct train until October 2012, 10, part of it was also operated between Tomakomai Station and Numanohata Station.

データ

Route data

Transport density

For each sectionTransport densityIs as follows.

Between Tomakomai Station and Numanohata Station, the operation is virtually integrated.Chitose Line(Numanohata Station- Shiroishi StationThe data calculated in total with (Ken) has been released.

Also, in 2014 (Heisei 26), the data calculated separately between Muroran Station-Higashi-Muroran Station and Higashi-Muroran Station-Tomakomai Station was released.[Press 20], 2015 (Heisei 27), the comprehensive data between Muroran Station-Higashi-Muroran Station-Tomakomai Station was released.[Press 21].

年度Transport density (person / day)RemarksSource
Chomanbe Station
--Between Higashi Muroran Station
Between Muroran Station and Tomakomai StationTomakomai Station
--Numanohata Station
--Between Shiraishi Station
Numanohata Station
--Between Iwamizawa Station
Muroran Station-
Between Higashi Muroran Station
Higashi Muroran Station-
Between Tomakomai Station
1975 (Showa 50) degree "Chitose Line #Transport densitySee2,508[Press 22]
1980 (Showa 55) degree 1,838
1985 (Showa 60) degree 1,463
1987 (Showa 62) degree 1,629
1988 (Showa 63) degree 1,489
1989 (Heisei XNUMX) degree 1,444
Degree of 1990 1,543
Degree of 1991 1,499
Degree of 1992 1,353
Degree of 1993 1,320
Degree of 1994 1,223
Degree of 1995 1,111
Degree of 1996 987
Degree of 1997 878
Degree of 1998 827
Degree of 1999 737
Degree of 2000 670
Degree of 2001 674
Degree of 2002 626
Degree of 2003 629
Degree of 2004 626
Degree of 2005 595
Degree of 2006 661
Degree of 2007 613
Degree of 2008 590
Degree of 2009 576
Degree of 2010 570
Degree of 2011 540
Degree of 2012 557
Degree of 2013532
Degree of 20145,0221,3427,736516[Press 22][Press 23]
Degree of 20155,1061,3667,983500[Press 22][Press 24]
7,270
Degree of 20165,4247,161477Typhoon 10Excludes September-December to eliminate the impact of[Press 22][Press 25]
5,2797,067484Numbers including September-December
Degree of 20174,8586,850439Review the aggregation method from the same year[Annotation 7][Press 26]
Degree of 20184,8046,764412[Press 27]
2019 (first year of Reiwa)4,4666,310388New Coronavirus Infection (COVID-19)Decreased from the previous year due to the impact of the expansion of[Press 28]
2020 (Reiwa02 years)1,9243,166305Significant decrease from the previous year due to the influence of COVID-19[Press 29]

Balance / operating ratio

For each sectionIncome and expenditure(Operating revenue, operating expenses, operating profit / loss)Operating coefficientIs as follows.Both are amounts including management costs[Press 20].. ▲ means minus.

Between Tomakomai Station and Numanohata Station, each line in the Sapporo area[Annotation 8]Only the data combined with is published (Chitose Line #Usage status by section #Balance / operating ratioSee).Unlike the transportation density mentioned above, the income and expenditure / operating ratio only between Tomakomai Station-Numanohata Station-Shiroishi Station has not been announced.

In 2014 (Heisei 26), data calculated separately between Muroran Station-Higashi-Muroran Station and Higashi-Muroran Station-Tomakomai Station was released.[Press 20], 2015 (Heisei 27), the comprehensive data between Muroran Station-Higashi-Muroran Station-Tomakomai Station was released.[Press 21].

Between Oshamambe Station and Higashi Muroran Station
年度Balance (million yen)Operating coefficient
(Circle)
RemarksSource
Operating revenueOperating expensesOperating profit and loss
Degree of 20142,8363,833X 997135[Press 20]
Degree of 20152,9693,414X 444115[Press 21]
Degree of 20163,0684,383X 1,315143[Press 30]
Degree of 20173,0164,615X 1,599153Review the aggregation method from the same year[Annotation 7][Press 26]
Degree of 20182,9314,575X 1,645156[Press 27]
2019 (first year of Reiwa)2,8094,567X 1,757163[Press 28]
2020 (Reiwa02 years)1,2484,158X 2,910333Expansion from the previous year due to a decrease in operating revenue due to the impact of the new coronavirus infection (COVID-19)[Press 29]
Between Muroran Station and Tomakomai Station
年度sectionBalance (million yen)Operating coefficient
(Circle)
RemarksSource
Operating revenueOperating expensesOperating profit and loss
Degree of 2014Between Muroran Station and Higashi Muroran Station91404X 313445[Press 20][Press 21]
Between Higashi Muroran Station and Tomakomai Station3,1134,769X 1,656153
The entire3,2045,173X 1,969161
Degree of 20153,3385,221X 1,882156[Press 21]
Degree of 20163,3886,218X 2,830184[Press 30]
Degree of 20173,4285,799X 2,371169Review the aggregation method from the same year[Annotation 7][Press 26]
Degree of 20183,3425,816X 2,474174[Press 27]
2019 (first year of Reiwa)3,2435,991X 2,748185[Press 28]
2020 (Reiwa02 years)1,6075,328X 3,721332Expansion from the previous year due to a decrease in operating revenue due to the impact of the new coronavirus infection (COVID-19)[Press 29]
Between Numanohata Station and Iwamizawa Station
年度Balance (million yen)Operating coefficient
(Circle)
RemarksSource
Operating revenueOperating expensesOperating profit and loss
Degree of 20141241,255X 1,1301,011[Press 20]
Degree of 20151291,246X 1,117965[Press 21]
Degree of 20161221,390X 1,2671,137[Press 30]
Degree of 20171231,357X 1,2331,101Review the aggregation method from the same year[Annotation 7][Press 26]
Degree of 20181171,346X 1,2281,146[Press 27]
2019 (first year of Reiwa)1211,228X 1,1081,017[Press 28]
2020 (Reiwa02 years)901,251X 1,1611,396Expansion from the previous year due to a decrease in operating revenue due to the impact of the new coronavirus infection (COVID-19)[Press 29]

Station list

  • Station name… (Currency): Freight-only station, ◆ ・ ◇: Freight-handling station (excluding freight-only stations. ◇ does not have regular freight trains)
  • Stop station
    • Normal ... Basically, it stops at all passenger stations, but some trains pass through Koboro Station (▽ mark).
    • Limited express / express ... "Hokuto (train)""Suzuran (train)See other train articles
  • Track… ∥: Double track section, ◇ ・ |: Single track section (◇ isTrain exchangePossible), ∨: Single track below here, ∧: Double track below here (Iwamizawa station is the end of the line, train exchange is possible)
  • All stationsHokkaidoLocated in

Main line

Station numbering is set between Oshamambe and Numanohata, but it is described in the downward direction from Oshamambe Station, not in the station numbering order.For more information on station numbering, see "Hokkaido passenger railway station numberingSee.

  • Between Tomakomai Station and Tomakomai Freight StationSanshinTherefore, a double track for the Muroran main line (AC electrified) and a single track for the Hidaka main line (non-electrified) are installed (however, only the dedicated single track is used for commercial trains on the Hidaka main line).
Electrification methodStation numberstation nameOperating kiloConnection route/remarkslineAddress
Between stationsCumulative
Non-electrifiedH47Chomanbe Station-0.0Hokkaido passenger railway : Hakodate honsen∥Oshima jurisdictionYamakoshi District
Chomanbe Town
H46Shizukari Station10.610.6 âˆ¥
H45Koboro StationAnd6.917.5 âˆ¥In the Iburi canalAbuta-gunToyoura Town
H44Rebun Station6.123.6 âˆ¥
H43Okishi Station4.127.7 âˆ¥
H42Toyoura Station8.436.1 âˆ¥
H41Toya Station5.441.5 âˆ¨Toyako Town
 Kita-Irie Signal Station-44.5 â—‡
H40Usu Station5.146.6 âˆ§Date City
H39Nagawa Station4.951.5 âˆ¨
H38Datemonbetsu Station3.054.5 â—‡
H37Kita Funaoka Station2.957.4 â—‡
H36Mareppu Station3.260.6 âˆ§
H35Kogane Station4.565.1 âˆ¥
H34Sakimori Station2.267.3 âˆ¥Muroran
 (Currency)Jinyamachi Station2.469.7 âˆ¥
H33Motowanishi Station◆3.072.7 âˆ¥
AC electrificationH32Higashi Muroran Station4.577.2Hokkaido Railway Company: Muroran Main Line (branch line / Muroran area)∥
 (Currency)Higashi Muroran Station1.078.2 âˆ¥
H31Washibetsu Station0.979.1 âˆ¥Noboribetsu
H30Horobetsu Station7.786.8 âˆ¥
H29Tomiura Station5.592.3 âˆ¥
H28Noboribetsu Station2.494.7 âˆ¥
H27Kojohama Station3.498.1 âˆ¥Shiraoi
Shiraoi Town
H26Takeura Station4.8102.9 âˆ¥
H25Kitayoshihara Station2.8105.7 âˆ¥
H24Hagino Station◇2.1107.8 âˆ¥
H23Shiraoi Station
(UPOPOY In front of the national symbiosis symbol space)
5.8113.6 âˆ¥
H22Shadai Station5.5119.1 âˆ¥
H21Nishikioka Station6.3125.4 âˆ¥Tomakomai
H20Itoi Station5.2130.6 âˆ¥
H19Aoba Station2.2132.8 âˆ¥
H18Tomakomai Station2.4135.2Hokkaido Railway Company:Hidaka Main Line∥
 (Currency)Tomakomai Freight Station3.4138.6(Branch station on the facility with the Hidaka Main Line)∥
H17Numanohata Station5.4144.0Hokkaido Railway Company:Chitose Line[*1]∥
Non-electrified Toasa Station8.9152.9 âˆ¥Yufutsu-gun
Abira Town
 Hayakita Station5.4158.3 âˆ¥
 Anping Station5.7164.0 âˆ¥
K15Oiwake Station6.8170.8Hokkaido Railway Company:Ishikatsu Line∥
 Mikawa station8.0178.8 âˆ¨Sorachi jurisdictionYubariYuni Town
 Furusan Station3.4182.2 â—‡
 Yuni Station4.2186.4 âˆ§
 Kuriyama Station5.1191.5 âˆ¨Kuriyama Town
 Kurioka Station4.2195.7 |Iwamizawa
 Kurisawa Station3.9199.6 |
 Shibun Station4.3203.9 â—‡
A13Iwamizawa Station7.1211.0Hokkaido Railway Company: Hakodate Main Line∧
  1. ^ The branch to the Chitose Line is Numanohata Station, but all trains go in the direction of Tomakomai.
  • Between Oiwake Station and Mikawa StationChitoseIt passes through the inside, but there is no station in the city.
  • Toasa-Each station in Shibun (excluding Oiwake station) is not numbered.

Branch line

  • Listed in descending order.The line starts at Higashi Muroran Station.
  • All sections double track / AC electrification
  • All trains stop at all stations
  • All stationsHokkaido(In the Iburi canal)MuroranLocated in
Station numberstation nameOperating kiloConnection route
Between stationsCumulative
M36Muroran Station-0.0 
M35Mother love station1.11.1 
M34Misaki Station1.72.8 
M33Wanishi Station1.94.7 
H32Higashi Muroran Station2.37.0Hokkaido Railway Company: Muroran Main Line (Main Line)

Abandoned station

Excludes those that were in the abolished section.The business kilometers from Oshamambe Station are in parentheses.

  • Asahihama Station: Abolished on March 2006, 18[Press 3]..Between Oshamambe Station and Shizukari Station (5.3 km)
  • Toribushi signal field: Abolished on November 1947, 22 (Showa 11).Between Koboro Station and Rebun Station (1 km)
  • Toyoizumi Station: Abolished on May 1968, 43 (Showa 5)[6][11]..Between Okishi Station and Toyoura Station (30.9 km)
  • Ipponmatsu Signal Station: Newly established on June 1917, 6 (Taisho 6), abolished on August 1, 1920 (Taisho 9).Between Tomakomai Station and Numanohata Station
  • Ipponmatsu temporary signal box: Newly established on October 1961, 36 (Showa 10), abolished in 1 (Showa 1963).Between Tomakomai Station and Numanohata Station

Abolished section

Freight branch line (abolished on March 1985, 60)[7][11])
Muroran Station- Nishi Muroran Station (1.4km)

Past connecting routes

footnote

[How to use footnotes]

注 釈

  1. ^ a b If limited to stations belonging to the Muroran Main Line, Oshamambe Station and Iwamizawa Station (both belong to the Hakodate Main Line)[15]) Is excluded, and there are 47 stations.Oiwake Station, which intersects the Sekisho Line, belongs to the Muroran Main Line.[15].
  2. ^ The name of the long wheel line is the starting and ending pointslongWith Manbe StationringDerived from West Station (former name of Higashi Muroran Station).
  3. ^ All that remains is the morning departure from Oiwake StationOtaru StationTwo round trips from Muroran Station to Iwamizawa Station and from Iwamizawa Station to Muroran and Otaru Station to Oiwake Station in the afternoon50 series 51 type passenger caronly.
  4. ^ As of April 2006, 18, the scheduled start time was announced as the first time in 4 (Heisei 27).[Press 5]Accelerated in the fall of 2007, announced on June 19, 6[Press 6].
  5. ^ During each repair work period, two regular trains above and below the daytime hours will be partially suspended.
  6. ^ Tomakomai Station, where the Chitose Line trains are available --- Limited express "Suzuran" is available only at Numanohata Station.
  7. ^ a b c d Regarding the use of the Hokkaido Rail Pass and Adult Holiday Club Pass (East Japan / Hokkaido), the accounting method has been revised.
  8. ^ In addition to this sectionChitose Line,Hakodate honsen(Otaru Station - Sapporo Station --Between Iwamizawa Station),Satanuma Line(Kuwazono Station - Hokkaido Medical University Stationwhile)

Source

  1. ^ Japan National Railways Electricity Bureau "Railway Telegram Abbreviation", February 1959, 9, page 17.
  2. ^ Satoshi Ishimaru et al. (2001). “Features of steep slopes around the JR Rebunhama tunnel (PDF)”. Hokkaido Location Quality Research Institute. P. 147. 2021/2/22Browse.
  3. ^ a b c "Overview Railway Maple National Railway Map Book”. Shobunsha Publications. 2021/2/22Browse.
  4. ^ "Overview of historical heritage (PDF)”. Hokkaido Sorachi General Promotion Bureau. P. 63. 2021/2/22Browse.
  5. ^ Yanaka Seiji. “Memory of the long wheel (Osawa) line”. Hokkaido Museum Association. 2021/3/3Browse.
  6. ^ a b c d e f g h i j k l m n o p q r s "Railway in Hokkaido seen in the picture" Volume 58 JNR / JR Line pp. 59-XNUMX
  7. ^ a b c d e f g h i j k l m n o p q r s t u "Railway in Hokkaido seen in the picture" Volume 60 JNR / JR Line pp. 61-XNUMX
  8. ^ a b c d e f g h i j k l m n o p q r s t u v w x y z aa ab ac ad ae af ag ah ai aj "Railway in Hokkaido seen in the picture" Volume 312 JNR / JR Line Page XNUMX
  9. ^ a b c d e f g h i j "Railway in Hokkaido seen in the picture" Volume 313 JNR / JR Line Page XNUMX
  10. ^ a b c d e f g h i j k l m "Railway in Hokkaido seen in the picture" Volume 319 JNR / JR Line Page XNUMX
  11. ^ a b c d e f "Railway in Hokkaido seen in the picture" Volume 315 JNR / JR Line Page XNUMX
  12. ^ Masatoki Minami (1998-4-1). Scenery with a steam locomotiveIe no Hikari Association 
  13. ^ a b "JR Gazette" October 2009 issue
  14. ^ a b "Railway Fan" June 2021 issue pp.6-12
  15. ^ a b "Encyclopedia of Stop Transition" JNR / JR edition

Press release material

  1. ^ a b “About line sections that are difficult for us to maintain alone” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2016, 11), オ リ ジ ナ ルArchived as of October 2016, 11., https://web.archive.org/web/20161118050351/http://www.jrhokkaido.co.jp/press/2016/161118-3.pdf 2016/11/18Browse. 
  2. ^ “About line sections that are difficult for us to maintain alone (PPT version)” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2016, 11), オ リ ジ ナ ルArchived as of October 2016, 11., https://web.archive.org/web/20161118121205/http://www.jrhokkaido.co.jp/press/2016/161118-4.pdf 2016/11/18Browse. 
  3. ^ a b "About October 18 schedule revision" (PDF) (Press Release), Hokkaido Railway Company, (December 2005, 12), オ リ ジ ナ ルArchived as of October 2005, 12., https://web.archive.org/web/20051230090557/http://www.jrhokkaido.co.jp/press/2005/051222.pdf 2005/12/30Browse. 
  4. ^ "We carry out station number display (station numbering)" (PDF) (Press Release), Hokkaido Railway Company, (December 2007, 9), オ リ ジ ナ ルArchived as of October 2007, 9., https://web.archive.org/web/20070930015220/http://www.jrhokkaido.co.jp/press/2007/070912-3.pdf 2007/9/30Browse. 
  5. ^ "Introduction of IC card ticket gate system" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2006, 4), オ リ ジ ナ ルArchived as of October 2006, 5., https://web.archive.org/web/20060504044046/http://www.jrhokkaido.co.jp/press/2006/060427.pdf 2006/5/4Browse. 
  6. ^ “Changing the start time of IC cards and determining card names” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2007, 6), オ リ ジ ナ ルArchived as of October 2007, 9., https://web.archive.org/web/20070927213155/http://www.jrhokkaido.co.jp/press/2007/070613-1.pdf 2007/9/27Browse. 
  7. ^ “About Kitaca service start date determination” (PDF) (Press Release), Hokkaido Railway Company, (December 2008, 9), オ リ ジ ナ ルArchived as of October 2008, 9., https://web.archive.org/web/20080913103748/http://www.jrhokkaido.co.jp/press/2008/080910-1.pdf 2008/9/13Browse. 
  8. ^ ""Kitaca" opening ceremony" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2008, 10), オ リ ジ ナ ルArchived as of October 2008, 10., https://web.archive.org/web/20081030202258/http://www.jrhokkaido.co.jp/press/2008/081021-1.pdf 2008/10/30Browse. 
  9. ^ "About the decision on the start date of the mutual use service for IC tickets and electronic money" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2008, 12), オ リ ジ ナ ルArchived as of October 2008, 12., https://web.archive.org/web/20081230105851/http://www.jrhokkaido.co.jp/press/2008/081222-2.pdf 2008/12/30Browse. 
  10. ^ "Kitaca e-money" "Kitaca/Suica mutual use" start commemorative ceremony" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2009, 3), オ リ ジ ナ ルArchived as of October 2009, 3., https://web.archive.org/web/20090320020637/http://www.jrhokkaido.co.jp/press/2009/090309-1.pdf 2009/3/20Browse. 
  11. ^ "Information on station name change-Rename station 6 locations on 8 lines-" (Japanese) (PDF) (Press Release), Japan Freight Railway, (November 2011, 3), オ リ ジ ナ ルArchived as of October 2011, 5., https://web.archive.org/web/20110515162457/http://www.jrfreight.co.jp/common/pdf/news/201103-01.pdf 2011/5/15Browse. 
  12. ^ "Nationwide mutual use service for transportation IC cards will finally begin!" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2012, 12), オ リ ジ ナ ルArchived as of October 2012, 12., https://web.archive.org/web/20121224023530/http://www.jrhokkaido.co.jp/press/2012/121218-1.pdf 2012/12/24Browse. 
  13. ^ a b "Understanding understanding of restraint of transportation services to improve safety" (PDF) (Press Release), Hokkaido passenger railway, (November 2013, 9), オ リ ジ ナ ルArchived as of October 2013, 9., https://web.archive.org/web/20130921053616/http://www.jrhokkaido.co.jp/press/2013/130904-1.pdf 2013/9/21Browse. 
  14. ^ a b “About timetables after November” (PDF) (Press Release), Hokkaido Railway Company, (December 2013, 9), オ リ ジ ナ ルArchived as of October 2013, 9., https://web.archive.org/web/20130921053935/http://www.jrhokkaido.co.jp/press/2013/130920-1.pdf 2013/9/21Browse. 
  15. ^ "Regarding the setting of" track intensive maintenance days "in 2020-implementation of intensive repair work by suspending trains during the day-" (PDF) (Press Release), Hokkaido Railway Company, (December 2020, 2), オ リ ジ ナ ルArchived as of October 2020, 2., https://web.archive.org/web/20200227042059/http://www.jrhokkaido.co.jp/CM/Info/press/pdf/20200226_KO_rail%20maintenance.pdf 2020/2/27Browse. 
  16. ^ "About the implementation of intensive repair work by suspending trains at night-between Oshamambe Station and Higashi-Muroran Station on the Muroran Line-" (PDF) (Press Release), Hokkaido Railway Company, (December 2021, 4), オ リ ジ ナ ルArchived as of October 2021, 4., https://web.archive.org/web/20210428052651/https://www.jrhokkaido.co.jp/CM/Info/press/pdf/210428_KO_Muroran%20maintenance.pdf 2021/4/29Browse. 
  17. ^ "About October 24 schedule revision" (PDF) (Press Release), Hokkaido Railway Company, (December 2012, 8), オ リ ジ ナ ルArchived as of October 2012, 9., https://web.archive.org/web/20120925203427/http://www.jrhokkaido.co.jp/press/2012/120803-1.pdf 2012/9/25Browse. 
  18. ^ “About the timetable review next spring” (PDF) (Press Release), Hokkaido Railway Company, (December 2020, 12), オ リ ジ ナ ルArchived as of October 2020, 12., https://web.archive.org/web/20201209044017/https://www.jrhokkaido.co.jp/CM/Info/press/pdf/20201209_KO_kaisei.pdf 2020/12/19Browse. 
  19. ^ “About the March 2021 timetable revision” (PDF) (Press Release), Hokkaido Railway Company, (December 2020, 12), オ リ ジ ナ ルArchived as of October 2020, 12., https://web.archive.org/web/20201218050637/https://www.jrhokkaido.co.jp/CM/Info/press/pdf/20201218_KO_Daikai.pdf 2020/12/19Browse. 
  20. ^ a b c d e f “About the fiscal 26 line income and expenditure status” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2016, 2), オ リ ジ ナ ルArchived as of October 2016, 2., https://web.archive.org/web/20160210105033/http://www.jrhokkaido.co.jp/press/2016/160210-1.pdf 2016/2/10Browse. 
  21. ^ a b c d e f “About the fiscal 27 line income and expenditure status” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2016, 11), オ リ ジ ナ ルArchived as of October 2016, 11., https://web.archive.org/web/20161106113200/http://www.jrhokkaido.co.jp/press/2016/161104-1.pdf 2016/11/6Browse. 
  22. ^ a b c d Muroran Line (between Numanohata and Iwamizawa), (Japanese) (PDF), Line data (Lines that are difficult for us to maintain independently) (Hokkaido Railway Company), (December 2017, 12), オ リ ジ ナ ルArchived as of October 2017, 12., https://web.archive.org/web/20171229123142/http://www.jrhokkaido.co.jp/corporate/senku/pdf/senku/07.pdf 2018/1/3Browse. 
  23. ^ “About 26 financial results” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2015, 5), オ リ ジ ナ ルArchived as of October 2015, 6., https://web.archive.org/web/20150624035503/http://www.jrhokkaido.co.jp/press/2015/150508-2.pdf 2015/6/24Browse. 
  24. ^ “About 27 financial results” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2016, 5), オ リ ジ ナ ルArchived as of October 2016, 5., https://web.archive.org/web/20160519034311/http://www.jrhokkaido.co.jp/press/2016/160509-3.pdf 2016/5/19Browse. 
  25. ^ "About 28 financial statements (PDF)”. Hokkaido Railway Company (October 2017, 5). As of October 9, 2019オ リ ジ ナ ルMore archives.2017/5/10Browse.
  26. ^ a b c d "About the balance and usage status of 29 line distinction" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2018, 11), オ リ ジ ナ ルArchived as of October 2019, 1., https://web.archive.org/web/20190113071557/http://www.jrhokkaido.co.jp/CM/Info/press/pdf/20181109_KO_LineAccount2017.pdf 2019/1/13Browse. 
  27. ^ a b c d "About the balance and usage status of line distinction" (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2019, 9), オ リ ジ ナ ルArchived as of October 2019, 9., https://web.archive.org/web/20190904151630/http://www.jrhokkaido.co.jp/CM/Info/press/pdf/201900904_KO_ExpenditureOfSection.pdf 2019/9/5Browse. 
  28. ^ a b c d “FY2019 line distinction balance and usage status” (PDF) (Press Release), Hokkaido Railway Company, (December 2020, 6), オ リ ジ ナ ルArchived as of October 2020, 6., https://web.archive.org/web/20200608075913/https://www.jrhokkaido.co.jp/CM/Info/press/pdf/20200608_KO_senkubetu.pdf 2020/6/8Browse. 
  29. ^ a b c d “FY2020 line distinction balance and usage status” (PDF) (Press Release), Hokkaido Railway Company, (December 2021, 6), オ リ ジ ナ ルArchived as of October 2021, 6., https://web.archive.org/web/20210604092819/https://www.jrhokkaido.co.jp/CM/Info/press/pdf/210604_KO_Senkubetusyushi.pdf 2021/6/4Browse. 
  30. ^ a b c “About the fiscal 28 line income and expenditure status” (Japanese) (PDF) (Press Release), Hokkaido Railway Company, (February 2017, 11), オ リ ジ ナ ルArchived as of October 2017, 11., https://web.archive.org/web/20171107124454/http://www.jrhokkaido.co.jp/press/2017/171107-2.pdf 2017/11/7Browse. 

newspaper article

  1. ^ "Railway Institute Notification No. 54". Official gazette. National Diet LibraryDigital collection (Ministry of FinancePrinting Bureau). (October 1909, 10). オ リ ジ ナ ルArchived as of October 2014, 2.. https://web.archive.org/web/20140201123603/https://dl.ndl.go.jp/info:ndljp/pid/2951241/3 2014/2/1Browse. 
  2. ^ "Pneumatic vehicle driving room". Ministry of Railways Annual Report 10. National Diet Library Digital Collection (Ministry of Railways). (January 1936, 12). オ リ ジ ナ ルArchived as of October 2013, 12.. https://web.archive.org/web/20131203004400/https://dl.ndl.go.jp/info:ndljp/pid/1114644/103 2013/12/3Browse. 
  3. ^ "Asahi Shimbun" September 42, 9 Evening edition, 27rd edition, 3 pages
  4. ^ “「通報」●室蘭本線礼文・大岸間の増設線路の使用開始について(運転局)”. Railroad bulletin (Japan National RailwayGovernor's Office Documents Division): p. 2. (December 1975, 10) 
  5. ^ “「通報」●室蘭本線陣屋町・本輪西間ほか一区間の増設線路の使用開始について(運転局)”. Railroad bulletin (Japan National RailwayGovernor's Office Documents Division): p. 5. (December 1978, 9) 
  6. ^ "" Report "● Electric operation between Muroran and Numanohata on the Chitose Line and Muroran Main Line (Operation Bureau)". Railroad bulletin (Japan National RailwayGovernor's Office Documents Division): p. 1. (December 1980, 9) 
  7. ^ a b "ATS-SN type JR Hokkaido, which is being introduced more reliably to prevent accidents". Traffic newspaper (Kotsu Shimbunsha): p. 1. (July 1993, 9) 
  8. ^ “Some route changes near Iwamizawa Station on the Muroran Main Line from JR Hokkaido Tomorrow”. Traffic newspaper (Kotsu Shimbunsha): p. 1. (July 1994, 10) 
  9. ^ a b “Resuming operation of the Muroran Line, cargo today, passengers from 29th”. Traffic newspaper (Kotsu Shimbunsha): p. 1. (July 2000, 4) 
  10. ^ "Muroran Line Higashi Muroran-Oshamambe section Limited express operation will resume from the 1st of next month". Traffic newspaper (Kotsu Shimbunsha): p. 1. (July 2000, 5) 
  11. ^ "Muroran Line is fully restored and night service resumes --- normal timetable for the first time in 71 days". Mainichi Newspapers (Mainichi Shimbun): p. 7 (Hokkaido evening edition). (June 2000, 6) 
  12. ^ "New Chitose-Asahikawa direct train concept JR / HAP Time reduction via Oiwake". Hokkaido Shimbun (Hokkaido Shimbun). (November 2021, 1). https://www.hokkaido-np.co.jp/article/497759 

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