Onoda Line

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Onoda Line
A 123 series EMU
Type Regional rail
Locale Yamaguchi Prefecture
Termini Inō
Owner JR West
Line length 11.6 km (7.2 mi)
Track gauge 1,067 mm (3 ft 6 in)
Electrification 1,500 V DC, overhead lines

The Onoda Line (小野田線, Onoda-sen) is a railway line in Yamaguchi Prefecture, Japan, operated by the West Japan Railway Company (JR West). The line connects Ube-Shinkawa Station in Ube and Onoda Station in San'yō-Onoda. The branch from Suzemeda to Motoyama is part of this line.


All stations are in Yamaguchi Prefecture.

Main Line[edit]

Line Name Distance (km) Transfers Location
Ube Ube-Shinkawa 宇部新川 1.8 Ube Line (to Shin-Yamaguchi) Ube
Inō 居能 0.0 Ube Line (to Ube)
Tsumazaki 妻崎 2.5  
Nagato-Nagasawa 長門長沢 3.2  
Suzumeda 雀田 4.5 Motoyama Branch Line San'yō-Onoda
Onodakō 小野田港 6.5  
Minami-Onoda 南小野田 7.1  
Minami-Nakagawa 南中川 8.3  
Mede 目出 9.7  
Onoda 小野田 11.6 Sanyō Main Line

Motoyama Branch Line[edit]

Name Distance (km) Transfers Location
Suzumeda 雀田 0.0 Onoda Line San'yō-Onoda
Hamagōchi 浜河内 1.3  
Nagato-Motoyama 長門本山 2.3  

Rolling stock[edit]


The Onoda Light Railway Co. opened the Onoda - Minani-Onoda section in 1915 to service a cement plant.

The Ube Electric Railway Co. opened the Ino - Shin-Okiyama station (since closed) section in 1929, electrified at 600 VDC. The branch to Motoyama opened in 1937, also electrified at 600 VDC.

Both companies were nationalised in 1943, and in 1947 the lines were connected, resulting in the closure of Shin-Okiyama station, the replacement for which was nearby Minami-Onoda station.

In 1950 the Onoda - Minami-Onoda section was electrified and the voltage increased to 1500 VDC on the balance of the line.

CTC signalling was commissioned in 1983, and freight services ceased in 1986.

Wanman driver only operation commenced on the branch line between Suzumeda and Nagato-Motoyama on 11 March 1989, using KuMoHa 42 EMUs.[1] Driver only operation commenced on the main line between Inō and Onoda on 1 June 1990, using 105 series EMUs.[1]


  1. ^ a b JR気動車客車編成表 '04年版 [JR DMU & Coaching Stock Formations - 2004]. Japan: JRR. 1 July 2004. p. 199. ISBN 4-88283-125-2.