Sasshō Line
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The Sasshō Line(札沼線, Sasshō-sen), commonly known as the Gakuentoshi Line(学園都市線, Gakuentoshi-sen), is a railway line in Japan operated by Hokkaido Railway Company (JR Hokkaido) which connects Sōen in Sapporo and Hokkaidō-Iryōdaigaku in Tōbetsu, Ishikari District. Its name is made up of two characters from Sapporo(札幌) and Ishikari-Numata(石狩沼田), the latter of which was the terminus of the line until it was relocated to Shin-Totsukawa in 1972.
On 19 November 2016, JR Hokkaido's president announced plans to further rationalize the line by up to 1,237 km (769 mi), a ~50% reduction in line length. The non-electrified section of the line was permanently closed on 17 April 2020.
Stations
All trains, include through trains from other lines, are local trains. Sometimes, trains may skip ROYCE' Town station (marked "◌").
| No. | Name | Japanese | Between (km) | Distance (km) | Transfers | Location |
|---|---|---|---|---|---|---|
| Sapporo to Sōen: officially Hakodate Main Line | ||||||
| 01 | Sapporo | 札幌 | (-1.6) | ■ Chitose Line ■ Hakodate Main Line (for Asahikawa) Subway Namboku Line (N06) Subway Tōhō Line (H07) Hokkaido Shinkansen (planned) | Kita-ku, Sapporo | |
| S02 | Sōen | 桑園 | 1.6 | 0.0 | ■ Hakodate Main Line (for Otaru) | Chūō-ku, Sapporo |
| Sasshō Line ↓ Electrified section | ||||||
| G03 | Hachiken | 八軒 | 2.2 | 2.2 | Nishi-ku, Sapporo | |
| G04 | Shinkawa | 新川 | 1.5 | 3.7 | Kita-ku, Sapporo | |
| G05 | Shin-Kotoni | 新琴似 | 1.9 | 5.6 | Namboku Line (Asabu, N01) | |
| G06 | Taihei | 太平 | 1.7 | 7.3 | ||
| G07 | Yurigahara | 百合が原 | 1.3 | 8.6 | ||
| G08 | Shinoro | 篠路 | 1.6 | 10.2 | ||
| G09 | Takuhoku | 拓北 | 2.0 | 12.2 | ||
| G10 | Ainosato-Kyōikudai | あいの里教育大 | 1.4 | 13.6 | ||
| G11 | Ainosato-kōen | あいの里公園 | 1.5 | 15.1 | ||
| G11-1 | ROYCE' Town ◌ | ロイズタウン | 2.8 | 17.9 | Tōbetsu, Ishikari District | |
| G12 | Futomi | 太美 | 1.4 | 19.3 | ||
| G13 | Tōbetsu | 当別 | 6.6 | 25.9 | ||
| G14 | Hokkaidō-Iryōdaigaku | 北海道医療大学 | 3.0 | 28.9 |
Closed section
| Closure date | Name | Japanese | Between (km) | Distance (km) | Transfers | Location |
|---|---|---|---|---|---|---|
| ↓ Unelectrified section | ||||||
| 7 May 2020 | Ishikari-Kanazawa | 石狩金沢 | 2.2 | 31.1 | Tōbetsu Ishikari District | |
| Moto-Nakagoya | 本中小屋 | 4.5 | 35.6 | |||
| Nakagoya | 中小屋 | 3.2 | 38.8 | |||
| Tsukigaoka | 月ヶ岡 | 2.8 | 41.6 | Tsukigata, Kabato District | ||
| Chiraiotsu | 知来乙 | 2.6 | 44.2 | |||
| Ishikari-Tsukigata | 石狩月形 | 2.1 | 46.3 | |||
| Toyogaoka | 豊ヶ岡 | 4.7 | 51.0 | |||
| Sappinai | 札比内 | 2.5 | 53.5 | |||
| Osokinai | 晩生内 | 4.5 | 58.0 | Urausu, Kabato District | ||
| Satteki | 札的 | 2.9 | 60.9 | |||
| Urausu | 浦臼 | 1.8 | 62.7 | |||
| Tsurunuma | 鶴沼 | 3.4 | 66.1 | |||
| Osatsunai | 於札内 | 1.8 | 67.9 | |||
| Minami-Shimo-Toppu | 南下徳富 | 1.5 | 69.4 | Shintotsukawa, Kabato District | ||
| Shimo-Toppu | 下徳富 | 2.1 | 71.5 | |||
| Shin-Totsukawa | 新十津川 | 5.0 | 76.5 | |||
| 19 June 1972 | Ishikari-Hashimoto | 石狩橋本 | 2.7 | 79.2 | ||
| Kami-Toppu | 上徳富 | 2.8 | 82.0 | |||
| Kita-Kami-Toppu | 北上徳富 | 1.7 | 83.7 | |||
| Uryū | 雨竜 | 5.1 | 88.8 | Uryū, Uryū District | ||
| Ishikari-Oiwake | 石狩追分 | 3.3 | 92.1 | |||
| Inotsu | 渭ノ津 | 2.4 | 94.5 | |||
| Yawara | 和 | 3.4 | 97.9 | Hokuryū, Uryū District | ||
| Nakanotai | 中ノ岱 | 3.1 | 101.0 | |||
| Hekisui | 碧水 | 1.8 | 102.8 | |||
| Hokuryū | 北竜 | 3.2 | 106.0 | Numata, Uryū District | ||
| Gokayama | 五ヶ山 | 2.6 | 108.6 | |||
| Ishikari-Numata | 石狩沼田 | 2.8 | 111.4 | ■ Rumoi Main Line (Closed April 1st, 2026) |
Rolling stock
As of April 2020, the following electric multiple unit (EMU) rolling stock is used on the Sasshō Line.
- 721 series EMUs (since 1 June 2012)
- 731 series EMUs (since 1 June 2012)
- 733 series EMUs (since 1 June 2012)
- 735 series EMUs (since 1 June 2012)
- 721 series EMU, July 2006
- 731 series EMU, March 2008
- 733 series EMU, June 2012
- 735 series EMU, May 2012
Former rolling stock
Prior to the 27 October 2012 timetable revision, and closures on 17 April 2020, the following diesel multiple unit (DMU) and EMU rolling stock was used on the Sasshō Line.
- KiHa 40 series DMUs
- KiHa 141 series DMUs
- KiHa 201 series DMUs
- 711 series EMUs
- KiHa 40 series DMU
- KiHa 141 series DMU, January 2010
- KiHa 201 series DMU, January 2010
- 711 series EMU, January 2009
History
The first part of the line to open was the northern (and now closed) section between Ishikari-Numata (on the Rumoi Main Line) to Nakatoppu (present-day Shin-Totsukawa). This opened on 10 October 1931, and was initially named the Sasshō North Line(札沼北線, Sasshō-hoku-sen). This line was extended southward from Nakatoppu to Urausu on 10 October 1934, and the Soen to Ishikari-Tobetsu section, initially named Sasshō South Line(札沼南線, Sasshō-nan-sen), opened on 20 November 1934. The section between Urausu and Ishikari-Tobetsu opened on 3 October 1935, linking the north and south lines, which were unified as the "Sasshō Line".
Nakatoppu Station was renamed Shin-Totsukawa in 1953.[citation needed]
The section between Shin-Totsukawa and Ishikari-Numata was closed on 1 April 1972.
With the privatization of JNR on 1 April 1987, ownership of line was transferred to JR Hokkaido.
Duplication
The section between Hachiken and Ainosato-Kyoikudai was double-tracked between 1995 and 2000.[citation needed]
Electrification
The line was electrified over the 28.9 km section from Sōen Station to Hokkaidō-Iryōdaigaku Station in 2012, with engineering work completed by March 2012. New 733 series EMUs were introduced from June 2012, with all trains operated using EMUs from the start of the revised timetable on 27 October 2012.
Part Closure in 2020
JR Hokkaido had been planning to permanently close the section between Hokkaido-Iryodaigaku and Shin-Totsukawa on 7 May 2020, but the company moved closure forward to 17 April due to the COVID-19 outbreak.
Former connecting lines
- Shinkotoni Station: An 11 km horse-drawn 762 mm (2 ft 6 in) gauge line operated from Sapporo north west to Kawabata, opening in 1911 and crossing the Sassho Line near Shinkotoni. Petrol locomotives were introduced in 1922. The line was replaced by buses in 1943.
- Tobetsu Station: A 31 km 762 mm gauge line was opened to Obukuro in sections between 1949 and 1952. Typhoon Marie (1954) caused significant damage to the line, and repair was considered impractical. The line was formally closed in 1958. An 11 km 762 mm gauge line operated to Ebetsu, on the Hakodate Main Line, although at each terminus, the 762 mm gauge stations were on the opposite banks of the Tobetsugawa and Ishikarigawa rivers (respectively) to the JR stations.