Ōito Line

The Ōito Line (大糸線, Ōito-sen) is a railway line in Japan which connects Matsumoto Station in Nagano Prefecture with Itoigawa Station in Niigata Prefecture. There are two operators on the line: East Japan Railway Company (JR East) operates the section north of Minami-Otari Station in Otari, Nagano Prefecture, and West Japan Railway Company (JR West) operates the remaining section. Minami-Otari is the boundary for the two companies. The section of the line, operated by JR East, between Minami-Otari and Matsumoto is electrified and trains are fairly regular along this section. The JR West section from Minami-Otari to Itoigawa, however, is not electrified and is used little, compared to the electrified JR East section. Trains run less regularly along this part.

Ōito Line
A JR East E127 series EMU on the Oito Line in Hakuba, Nagano Prefecture
Overview
Native name大糸線
StatusIn operation
OwnerJR East, JR West
LocaleNagano, Niigata Prefectures
TerminiMatsumoto
Itoigawa
Stations42
Service
TypeHeavy rail
Operator(s)JR East, JR West
Rolling stockE127 series EMU, 211 series EMU, E353 series EMU, KiHa 120 series DMU
History
Opened1915
Technical
Line length105.4 km (65.5 mi)
Number of tracksEntire line single tracked
CharacterRural and scenic
Track gauge1,067 mm (3 ft 6 in)
Electrification1,500 V DC (Matsumoto - Minami-Otari)
Operating speed95 km/h (59 mph)
Route map

Route data
  • Operators, services:
  • Stations:
    • JR East: 34
    • JR West: 8 including Itoigawa, excluding Minami-Otari
  • Double-tracked section: None
  • Electrification: Matsumoto - Minami-Otari (1,500 V DC)
  • Railway signalling:
    • Matsumoto — Itoigawa: Automatic Train Stop, S-type

Services

JR East section
Limited express, Rapid

As of March 2017, the following services are operated.

Name Through from/to Start End Service frequency (daily)
Limited Express Azusa Chiba/ShinjukuMatsumotoMinami-Otari 1 return trip
ShinjukuHakuba seasonal[1]
Rapid Kami-SuwaMatsumotoShinano-Ōmachi 1 up trip
-Shinano-ŌmachiMinami-Otari 1 up trip
Local
Matsumoto – Shinano-Ōmachi: every 30-60 minutes
Shinano-Ōmachi – Minami-Otari: every 60-180 minutes

JR West section
Local
every 120-180 minutes

No limited-stop services like rapids operate on the JR West section. All trains are local services, which call at every station.

Rolling stock

JR East section

JR West section

Stations

  JR East section

All stations are within Nagano Prefecture.

A: Limited Express Azusa
R: Rapid
Trains stop at stations marked "O", skip at stations marked "|".
No. Station Japanese Distance(km) A R Transfers Location
Between
stations		 Total
42 Matsumoto 松本 - 0.0 O O
Matsumoto
41 Kita-Matsumoto 北松本 0.7 0.7 | O  
40 Shimauchi 島内 1.9 2.6 | O  
39 Shimatakamatsu 島高松 1.2 3.8 | O  
38 Azusabashi 梓橋 1.4 5.2 | O   Azumino
37 Hitoichiba 一日市場 1.6 6.8 | O  
36 Nakagaya 中萱 1.6 8.4 | O  
35 Minami-Toyoshina 南豊科 2.0 10.4 | O  
34 Toyoshina 豊科 1.0 11.4 O O  
33 Hakuyachō 柏矢町 2.8 14.2 | O  
32 Hotaka 穂高 2.0 16.2 O O  
31 Ariake 有明 2.2 18.4 | O  
30 Azumi-Oiwake 安曇追分 1.5 19.9 | O  
29 Hosono 細野 2.9 22.8 | ↑   Matsukawa, Kitaazumi District
28 Kita-Hosono 北細野 1.0 23.8 | ↑  
27 Shinano-Matsukawa 信濃松川 2.2 26.0 | O  
26 Azumi-Kutsukake 安曇沓掛 1.6 28.6 | ↑   Ōmachi
25 Shinano-Tokiwa 信濃常盤 2.3 30.9 | O  
24 Minami-Ōmachi 南大町 3.1 34.0 | ↑  
23 Shinano-Ōmachi 信濃大町 1.1 35.1 O O  
O Rapid terminus / transfer
22 Kita-Ōmachi 北大町 2.1 37.2 | ↑  
21 Shinano-Kizaki 信濃木崎 2.2 39.4 | O  
20 Inao 稲尾 2.2 41.6 | ↑  
19 Uminokuchi 海ノ口 1.3 42.9 | ↑  
18 Yanaba 簗場 3.4 46.3 | O  
17 Yanaba-Ski-jō-mae
(seasonal)		 ヤナバスキー場前 1.6 47.9 | ↑  
16 Minami-Kamishiro 南神城 4.9 52.8 | ↑   Hakuba, Kitaazumi District
15 Kamishiro 神城 2.4 55.2 | O  
14 Iimori 飯森 1.5 56.7 | ↑  
13 Hakuba 白馬 3.0 59.7 O O  
12 Shinano-Moriue 信濃森上 1.9 61.6 | O  
11 Hakuba-Ōike 白馬大池 3.8 65.4 | ↑   Otari, Kitaazumi District
10 Chikuni 千国 3.4 68.7 | ↑  
9 Minami-Otari 南小谷 1.4 70.1 O O

  JR West section
Station Japanese Distance(km) Transfers Location
Between
stations		 Total
Minami-Otari 南小谷 - 70.1 Otari, Nagano
Nakatsuchi 中土 4.0 74.1  
Kita-Otari 北小谷 4.4 78.5  
Hiraiwa 平岩 5.5 85.0   Itoigawa, Niigata
Kotaki 小滝 6.8 91.8  
Nechi 根知 3.6 95.4  
Kubiki-Ōno 頸城大野 4.9 100.3  
Himekawa 姫川 1.9 102.2  
Itoigawa 糸魚川 3.2 105.4

History

The section between Matsumoto and Shinano-Ōmachi was built between 1915 and 1916 by the Shinano Railway (信濃鉄道, Shinano Tetsudō), which electrified the line in 1926. The company was nationalised in 1937 and was not the same entity as the present Shinano Railway.

The rest of the line was built by the Japanese Government Railways (JGR) and the Japanese National Railways (JNR) between 1929 and 1957. The Shinano-Ōmachi to Minami Otari section was electrified between 1959 and 1967. CTC signalling was commissioned in 1983, and freight services ceased in 1987.

Following privatization of JNR on 1 April 1987, the line was divided and assigned to JR East and JR West.

Station numbering was introduced on the line by JR East from 12 December 2016, with stations numbered in sequence from 9 (Minami-Otari) to 42 (Matsumoto).[2]

See also

References
  1. "Time Table - Limited Express trains on the Chuo Line". East Japan Railway Company. Retrieved 6 March 2017.
  2. 大糸線に「駅ナンバー」を導入します [Station numbering to be introduced on Oito Line] (PDF). News release (in Japanese). Japan: East Japan Railway Company, Nagano Division. 7 December 2016. Archived (PDF) from the original on 8 December 2016. Retrieved 8 December 2016.
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