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Ōito Line
Ōito Line
	A JR East E127 series EMU on the Oito Line in Hakuba, Nagano Prefecture
Overview
Native name	大糸線
Status	In operation
Owner	JR East, JR West
Locale	Nagano, Niigata Prefectures
Termini	Matsumoto; Itoigawa;
Stations	41
Service
Type	Heavy rail
Operator(s)	JR East, JR West
Rolling stock	E127 series EMU, 211 series EMU, E353 series EMU, KiHa 120 series DMU
History
Opened	1915
Technical
Line length	105.4 km (65.5 mi)
Number of tracks	Entire line single tracked
Character	Rural and scenic
Track gauge	1,067 mm (3 ft 6 in)
Electrification	1,500 V DC (Matsumoto - Minami-Otari) ; None (Minami-Otari - Itoigawa)
Operating speed	95 km/h (59 mph)
Route map
Route map
	Legend
	(Shinonoi);
	Alpico Kōtsū (Kamikōchi)
	JR East
	JR West
	This diagram: view; talk; edit;

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) and West Japan Railway Company (JR West). 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 sees less use. Trains operate less frequently along this section.

Route data

Operators, services:
- East Japan Railway Company (Services and tracks)
  - Matsumoto — Minami-Otari: 70.1 km
- West Japan Railway Company (Services and tracks)
  - Minami-Otari — Itoigawa: 35.3 km
Stations:
- JR East: 34
- JR West: 8 including Itoigawa, excluding Minami-Otari
Double-tracked section: None
Electrification: Matsumoto — Minami-Otari (1,500 V DC)
Minami-Otari — Itoigawa (None)
Railway signalling:
- Matsumoto — Itoigawa: Automatic Train Stop, S-type

Services

JR East section

Limited express, Rapid

As of March 2017^[update], the following services are operated.

Name	Through from/to	Start	End	Service frequency (daily)
Limited Express Azusa	Chiba/Shinjuku	Matsumoto	Minami-Otari	1 return trip
Limited Express Azusa	Shinjuku	Matsumoto	Hakuba	seasonal^[1]
Rapid	Kami-Suwa	Matsumoto	Shinano-Ōmachi	1 up trip
Rapid	-	Shinano-Ōmachi	Minami-Otari	1 up trip

Local: Matsumoto – Shinano-Ōmachi: every 30-60 minutes; Shinano-Ōmachi – Minami-Otari: every 60-180 minutes

JR West section

Local: Minami-Otari - Itoigawa: every 120-180 minutes

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

Rolling stock

JR East section

E127-100 series EMU
211 series EMU
E353 series EMU - Azusa

JR West section

KiHa 120 series DMU

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
No.	Station	Japanese	Between stations	Total	A	R	Transfers	Location
42	Matsumoto	松本	-	0.0	O	O	■ Shinonoi Line ■ Alpico Kōtsū Kamikōchi Line	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
23	Shinano-Ōmachi	信濃大町	1.1	35.1	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
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

Closed Stations Yanabaskijōmae Station closed on 16 March 2019

JR West section

No.	Station	Japanese	Distance(km)		Transfers	Location
No.	Station	Japanese	Between stations	Total	Transfers	Location
9	Minami-Otari	南小谷	-	70.1		Otari, Nagano
8	Nakatsuchi	中土	4.0	74.1
7	Kita-Otari	北小谷	4.4	78.5
6	Hiraiwa	平岩	5.5	85.0		Itoigawa, Niigata
5	Kotaki	小滝	6.8	91.8
4	Nechi	根知	3.6	95.4
3	Kubiki-Ōno	頸城大野	4.9	100.3
2	Himekawa	姫川	1.9	102.2
1	Itoigawa	糸魚川	3.2	105.4	Hokuriku Shinkansen ETR Nihonkai Hisui Line

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.^{[citation needed]}

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.^{[citation needed]}

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]

References

^ "Time Table - Limited Express trains on the Chuo Line". East Japan Railway Company. Retrieved 6 March 2017.
^ 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.