Kyūdai Main Line

The Kyūdai Main Line (久大本線, Kyūdai-honsen) is a railway line in Kyushu, Japan, operated by the Kyushu Railway Company (JR Kyushu). It connects Kurume Station, Kurume in Fukuoka Prefecture and Ōita Station, Ōita in Ōita Prefecture. It is also known as the Yufu Kōgen Line.

Kyūdai Main Line
KiHa 58 DMU between Yufuin and Minami-Yufu
Overview
StatusIn operation
OwnerJR Kyushu
LocaleKyushu
TerminiKurume
Ōita
Stations36
Service
TypeHeavy rail
Operator(s)JR Kyushu
Rolling stockKiHa 71 series DMU, KiHa 72 series DMU, KiHa 185 series DMU, KiHa 40 series DMU, KiHa 200 series DMU, KiHa 125 series DMU, DF200 Diesel locomotive, DE10 Diesel locomotive, 77 series passenger cars
History
Opened30 October 1915
Technical
Line length141.5 km (87.9 mi)
Number of tracksEntire line single tracked
CharacterMostly rural with a few urban areas
Track gauge1,067 mm (3 ft 6 in)
ElectrificationNone
Operating speed95 km/h (59 mph)
SignallingAutomatic block signaling
Route map

The line crosses the whole of Kyushu, approximately paralleling the Chikugo River and its tributary the Kusu River near Kurume, and along the Ōita River close to Ōita. It also traverses popular tourist resorts such as Hita (known as Little Kyoto) and spa resorts around Yufu.

Stations
Station Distance
(km)		 Transfers Location
Kurume 久留米 0.0 Kagoshima Main Line, Kyushu Shinkansen Kurume Fukuoka
Kurume-Kōkōmae 久留米高校前 3.4  
Minami-Kurume 南久留米 4.9  
Kurume Daigaku-mae 久留米大学前 6.8  
Mii 御井 8.0  
Zendōji 善導寺 12.6  
Chikugo Kusano 筑後草野 15.7  
Tanushimaru 田主丸 20.8  
Chikugo Yoshii 筑後吉井 26.4   Ukiha
Ukiha うきは 30.0  
Chikugo Ōishi 筑後大石 33.0  
Yoake 夜明 39.1 Hitahikosan Line (No service since July 2017 due to rainstorm damage) Hita Ōita
Teruoka 光岡 45.2  
Hita 日田 47.6  
Bungo Miyoshi 豊後三芳 49.4  
Bungo Nakagawa 豊後中川 55.3  
Amagase 天ケ瀬 59.5  
Sugikawachi 杉河内 63.6   Kusu
Kita Yamada 北山田 67.8  
Bungo Mori 豊後森 73.2  
Era 恵良 77.3   Kokonoe
Hikiji 引治 80.7  
Bungo Nakamura 豊後中村 83.1  
Noya 野矢 88.2  
Yufuin 由布院 99.1   Yufu
Minami Yufu 南由布 102.5  
Yunohira 湯平 109.6  
Shōnai 庄内 114.5  
Tenjinyama 天神山 118.1  
Onoya 小野屋 119.6  
Onigase 鬼瀬 124.6  
Mukainoharu 向之原 127.7  
Bungo Kokubu 豊後国分 131.7   Ōita
Kaku 賀来 133.9  
Minami Ōita 南大分 136.6  
Furugō 古国府 138.9  
Ōita 大分 141.5 Nippō Main Line, Hōhi Main Line

History

In 1915, the Daito Railway Co. opened the 22 km Oita - Onoya section. The company was nationalised in 1922, and westerly extensions were undertaken in stages from 1923 until Amagase was reached in 1933. The Kurume - Chikugoyoshi opened in 1928, and easterly extensions to Amagase opened between 1931 and 1934.

CTC signalling was commissioned over the entire line in 1984, and freight services ceased in 1987.

Typhoon damage

In 2012, a landslide disrupted services for 6 weeks.

On 5 July 2017, torrential rainfall washed out the bridge over the Oita River between Chikugo Oisha and Teruoka, resulting in the closure of the section. According to the Japanese language Wikipedia article, the line was fully re-opened on 14 July 2018.

Previous connecting/transfer lines
Higo-oguni station, ~1962
  • Era Station: the 27 km Miyanoharu Line to Higo-oguni opened between 1937 and 1954. Freight services ceased in 1971, and the line closed on 1 December 1984.
  • Kurume Station: the 46 km 3 ft (914 mm) gauge Chigoku Line to Mameda opened between 1904 and 1916, and was electrified at 600 V DC in 1919. It had three short branch lines (1 to 4 km long). The entire system closed in 1929.

References
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