Sekihoku Main Line

Sekihoku Main Line (石北本線, Sekihoku-honsen) is a railway line in Hokkaido, Japan, operated by Hokkaido Railway Company (JR Hokkaido) between Shin-Asahikawa in Asahikawa and Abashiri Station in Abashiri. The name comes from the first Kanji characters of Ishikari Province (石狩国) and Kitami Province (北見国), names of ancient provinces along the line.[1]

Sekihoku Main Line
Taisetsu limited express train from Asahikawa to Abashiri
Overview
Native name石北本線
StatusIn operation
OwnerJR Hokkaido
LocaleHokkaido
Termini
Stations32
Service
TypeHeavy rail
Operator(s)JR Hokkaido, JR Freight
Rolling stockKiHa 283 series DMU, KiHa 40 series DMU, KiHa 54 series DMU, KiHa 150 series DMU
History
Opened1932 (fully)
Technical
Line length234.0 km (145.4 mi)
Number of tracksEntire line single tracked
CharacterRural
Track gauge1,067 mm (3 ft 6 in)
ElectrificationNone
Operating speed110 km/h (68 mph)
Route map

On 19 November 2016, JR Hokkaido's President announced plans to rationalise the network by up to 1,237 km (769 mi), or ~50% of the current network,[2] including the proposed conversion to Third Sector operation of the Sekihoku Main Line, but if local governments are not agreeable, the line will face closure.

Basic data

Services

The Okhotsk limited express train, named after the Sea of Okhotsk, runs from Sapporo to Abashiri with two daily return workings. The Taisetsu limited express train runs from Asahikawa to Abashiri with two return workings daily. The limited rapid train Kitami operates between Asahikawa and Kitami, with one return service daily.

Local services along the line are roughly divided into three segments. In the segment between Asahikawa and Kamikawa, the line functions as a commuter rail of Asahikawa City. There is one local train service per one to two hours. The segment between Kamikawa and Engaru is a sparsely populated area. Between Kamikawa and Shirataki, a local train runs one lap per day. For the segment between Engaru and Abashiri, there is one local train service per one to two hours.

Stations
LE: Limited Express Okhotsk/Taisetsu
LR: Limited Rapid Kitami
All non-local trains stop at stations marked +, Some stop at those marked *, No such trains (other than local) stop at those marked -. Local trains may skip stations marked ◌.
Station Distance
(km)		 LE LR Transfers Location
Asahikawa to Shin-Asahikawa: officially Sōya Main Line
A28 Asahikawa 旭川 -3.7 + + ■ Hakodate Main Line
■ Sōya Main Line
■ Furano Line		 Asahikawa
A29Asahikawa-Yojō旭川四条-1.9--■ Sōya Main Line
A30Shin-Asahikawa新旭川0.0--■ Sōya Main Line
Sekihoku Main Line
A31Minami-Nagayama南永山2.5-- Asahikawa
A32Higashi-Asahikawa東旭川5.2--
A33Sakuraoka桜岡10.2--
A34Tōma当麻13.9-+ Tōma, Kamikawa
A37Ikaushi伊香牛19.5--
A38Aibetsu愛別25.9-- Aibetsu, Kamikawa
A39Naka-Aibetsu中愛別32.0--
A40Aizan ◌愛山36.0--
A41Antaroma安足間38.0--
A43Kamikawa上川44.9++ Kamikawa, Kamikawa
A45Shirataki白滝82.2*+Engaru, Monbetsu
A48Maruseppu丸瀬布101.9*+
A49Setose瀬戸瀬109.7--
A50Engaru遠軽120.8++
A51Yasukuni安国128.8-+
A53Ikutahara生田原137.7++
A55Nishi-Rubeshibe西留辺蘂156.2--

Kitami

A56Rubeshibe留辺蘂158.2++
A57Ainonai相内169.1-+
A58Higashi-Ainonai東相内173.7-+
A59Nishi-Kitami西北見176.3-+
A60Kitami北見181.0++
A61Hakuyō柏陽183.7- 
A62Itoshino愛し野185.9- 
A63Tanno端野187.3- 
A64Hiushinai緋牛内194.6- 
A65Bihoro美幌206.1+  Bihoro, Abashiri
A66Nishi-Memambetsu ◌西女満別213.1-  Ōzora, Abashiri
A67Memambetsu女満別218.1+ 
A68Yobito呼人225.9-  Abashiri
A69Abashiri網走234.0+ ■ Senmō Main Line

Closed Stations
  • Nakakoshi, Oku-Shirataki and Temmaku: Since 1 July 2001, of which Nakakoshi and Oku-Shirataki downgraded to signal bases
  • Shin-sakaeno: Since 18 March 2006
  • A44 Kami-Shirataki, A54 Kanehana, A46 Kyū-Shirataki and A47 Shimo-Shirataki: Since 26 March 2016, of which Kanehana and Shimo-Shirataki downgraded to signal bases

History

The principal route between Sapporo and Okhotsk Subprefecture has changed several times. Originally, the route was the Hakodate Main Line to Asahikawa, then the southbound Nemuro Main Line and then the northbound line from Ikeda, via the Abashiri Main Line (網走本線, Abashiri-honsen) to Kitami. The route shortened by 53.5 km (33.2 mi) when the section between Takikawa and Furano on the Nemuro Main Line opened in 1913.

Another route, northbound from Asahikawa to Nayoro, then southeast to Kitami was completed as the Nayoro Main Line (名寄本線, Nayoro-honsen) and Yūbetsu Line (湧別線, Yūbetsu-sen) in 1921.

A third route was a shortcut between Asahikawa and Engaru, straight through the Kitami Pass. The Sekihoku Line (石北線, Sekihoku-sen), completed in 1932, finally completed the main route still used today.

The current Sekihoku Main Line consists of the remnants of these three lines. The section between Shin-Asahikawa and Engaru is from the Sekihoku Line, the section between Engaru and Kitami from the Yūbetsu Line, and the section between Kitami and Abashiri from the Abashiri Main Line.

The first of the abovementioned sections to open was from Abashiri to Kitami in 1912. The Kitami to Engaru line was opened between 1912 and 1915 as a 762 mm (2 ft 6 in) gauge line, but was converted to 1,067 mm (3 ft 6 in) gauge in 1916.

The Asahikawa to Kamikawa section opened between 1922 and 1923, and the Engaru to Shiritaki section between 1927 and 1929. The final section, including the Ishikita tunnel, opened in 1932.

In July 2015, JR Hokkaido announced that it would be closing four stations line (Shimo-Shirataki Station, Kyu-Shirataki Station, Kami-Shirataki Station, and Kanehana Station) in March 2016, due to low passenger usage.[3]

See also

References
  1. JTB Timetable, February 2011 issue
  2. "JR Hokkaido says it can't maintain half of its railways". 10 May 2013.
  3. 上白滝・旧白滝・下白滝の３駅も廃止 ＪＲ石北線、来年３月に [3 JR Sekihoku Line stations Kami-Shirataki, Kyu-Shirataki, and Shimo-Shirataki to close next March]. Doshin (in Japanese). Japan: The Hokkaido Shimbun Press. 22 July 2015. Archived from the original on 22 July 2015. Retrieved 12 January 2016.
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