Kyūdai Main Line

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Kyūdai Main Line
KiHa 58 DMU between Yufuin and Minami-Yufu
Overview
Status	In operation
Owner	JR Kyushu
Locale	Kyushu
Termini	Kurume Ōita
Stations	37
Service
Type	Heavy rail
Operator(s)	JR Kyushu
Rolling stock	KiHa 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
Opened	30 October 1915; 109 years ago (30 October 1915)
Technical
Line length	141.5 km (87.9 mi)
Number of tracks	Entire line single tracked
Character	Mostly rural with a few urban areas
Track gauge	1,067 mm (3 ft 6 in)
Electrification	None
Operating speed	95 km/h (59 mph)
Signalling	Automatic block signaling
Route map

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.

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.

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.^{[citation needed]}

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

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.

• 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.