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Senseki Line

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Senseki Line
Senseki Line 205-3100 series in September 2021
Overview
Native name仙石線
StatusOperating
OwnerLogo of the East Japan Railway Company (JR East) JR East
LocaleMiyagi Prefecture
Termini
Stations32
Service
TypeHeavy rail
SystemJR East
Operator(s)JR East, JR Freight
Rolling stock
History
Opened5 June 1925; 100 years ago (1925-06-05)
Technical
Track length50.2 km (31.2 mi)
Number of tracks2 (Aoba-dōri — Higashi-Shiogama), 1 (Higashi-Shiogama — Ishinomaki)
Track gauge1,067 mm (3 ft 6 in)
Electrification1,500 V DC
Operating speed95 km/h (59 mph)
Route map

Legend
Senzan Line
0.0
 Aoba-dōri
Sendai Subway Namboku Line
 Sendai
(1) -1952
Tōhoku Shinkansen
←Tōhoku Main Line↓
 Sendai
(2) 1952–2000 Sendai Tram 1926–76
0.5
 Sendai
(3) 2000– Sendai Subway Namboku Line
1.3
 Tsutsujigaoka
2.4
 Miyaginohara
Rikuzen-Haranomachi Depot
3.2
 Rikuzen-Haranomachi
Tōhoku Main Line（Miyagino Freight Line）
 former line
-2000
4.0
 Nigatake
4.6
 Shinden Stop
-1944
5.6
 Kozurushinden
6.8
 Miyagino Signal
Sendai Rail Yard
Miyagino branch Yard
7.7
 Fukudamachi
Nanakita River
8.6
 Rikuzen-Takasago
10.3
 Nakanosakae
Sendai Rinkai Railway:Rinkai Main Line
12.6
 Tagajō
14.4
 Geba
Shiogama Line
15.2
 Nishi-Shiogama
Shiogamakō
16.0
 Hon-Shiogama
Shiogama Line
Higashi-Shiogama
(1) -1981
Shiogama Uoichiba
17.2
 Higashi-Shiogama(2)
1981–
Tōhoku Main Line
20.3
 Rikuzen-Hamada
Koishihama Amusement Park
23.2
 Matsushima-Kaigan
Senseki-Tōhoku Line 2015–
Matsushima
 Shin-Tomiyama Stop
-1944
Matsushima Densha (1922–44)
25.5
 Takagimachi
27.3
 Tetaru
28.6
 Rikuzen-Tomiyama
30.8
 Rikuzen-Ōtsuka
former line
-2015
32.2
 Tōna
33.4
 Nobiru
Naruse River
36.0
 Rikuzen-Ono
37.6
 Kazuma
40.2
 Yamoto
41.6
 Higashi-Yamoto
43.1
 Rikuzen-Akai
45.2
 Ishinomakiayumino
2.9#
 Ishinomakifutō
46.6
 Hebita
49.7
 Ishinomakikō Freight Terminal
(2)
47.6
Rikuzen-Yamashita
52.5
 Ishinomakikō Freight Terminal
(1) -1971
49.0
 Ishinomaki
Ishinomaki Line
This diagram:

The Senseki Line (仙石線, Senseki-sen) is a railway line in Miyagi Prefecture, Japan, owned and operated by the East Japan Railway Company (JR East). It connects Aoba-dōri Station in Sendai to Ishinomaki Station in Ishinomaki, and provides access to the central coast areas of Miyagi Prefecture, including the Matsushima area.

The Senseki Line connects with the Sendai Subway Nanboku Line at Aoba-dōri Station; the Tōhoku Shinkansen, the Tōhoku Main Line and the Senzan Line at Sendai Station; and the Ishinomaki Line in Ishinomaki. The name Senseki (仙石) comes from the combination of the first kanji of Sendai (仙台) and Ishinomaki (石巻), the two cities that the Senseki Line connects. It is the only line in the Sendai area with DC overhead electrification.

Basic data

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Services

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"Mangattan Liner" 205 series train, July 2006
"Mangattan Liner II" 205 series train, January 2009

Prior to the partial suspension of services by the 2011 earthquake and tsunami, all trains originated from Aoba-dōri Station, with most running to Tagajō or Higashi-Shiogama. Local trains and rapid service trains that ran the entire length of the line operated at 30-minute intervals. When the line was fully recovered in 2015, rapid services were switched to the route via the Senseki-Tōhoku Line. Therefore, under the 2015 timetable, the section between Aoba-dōri and Takagimachi is served only by local trains.

At Sendai Station, the line crosses under the Tōhoku Main Line and its platforms, similar to the situation with the Keiyō Line in Tokyo and the Chikuhi Line in Hakata (which connects via the Fukuoka Airport Subway Line).

The segment from Aoba-dōri to Higashi-Shiogama is a crucial part of Sendai's transportation system and gets very crowded during peak periods, with headways as short as 4 minutes. During non-peak times, 3–5 trains run per hour. Between Higashi-Shiogama and Ishinomaki, two trains run per hour.

In addition to all-station local trains, limited-stop rapid and special rapid services run between Takagimachi and Ishinomaki. Between Sendai and Takagimachi, rapid and special rapid services operate on the Senseki-Tōhoku Line. Special rapid services only stop at Yamoto Station, while rapid services also stop at Nobiru, Rikuzen-Ono, Rikuzen-Akai, Hebita, and Rikuzen-Yamashita Stations.

A "Mangattan Train" operates on the Senseki Line, with a livery featuring manga characters by local artist Shotaro Ishinomori.

Stations

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All stations are in Miyagi Prefecture.

Name Japanese Station (km) Distance (km) Rapid
Service 		Special
Rapid
Service 		Transfers Location
Aoba-dōri あおば通 0.0 No service Sendai Subway Namboku Line, Sendai Subway Tōzai Line Aoba-ku, Sendai
Sendai 仙台 0.5 0.5 ● ● Tohoku Shinkansen, Akita Shinkansen, Tohoku Main Line, Senzan Line, Joban Line, Sendai Airport Line, Sendai Subway Namboku Line, Sendai Subway Tōzai Line Miyagino-ku, Sendai
Tsutsujigaoka 榴ヶ岡 0.8 1.3 Via Senseki-Tōhoku Line
Miyaginohara 宮城野原 1.1 2.4
Rikuzen-Haranomachi 陸前原ノ町 0.8 3.2
Nigatake 苦竹 0.8 4.0
Kozurushinden 小鶴新田 1.6 5.6
Fukudamachi 福田町 2.1 7.7
Rikuzen-Takasago 陸前高砂 0.9 8.6
Nakanosakae 中野栄 1.7 10.3
Tagajō 多賀城 2.3 12.6 Tagajō
Geba 下馬 1.8 14.4
Nishi-Shiogama 西塩釜 0.8 15.2 approx. 1 km from Tohoku Main Line Shiogama Station. Shiogama
Hon-Shiogama 本塩釜 0.8 16.0
Higashi-Shiogama 東塩釜 1.2 17.2
Rikuzen-Hamada 陸前浜田 3.1 20.3 Rifu
Matsushima-Kaigan 松島海岸 2.9 23.2 approx. 2 km from Tohoku Main Line Matsushima Station. Matsushima
Takagimachi 高城町 2.3 25.5 ● ● approx. 1 km from Tohoku Main Line Matsushima Station.
Tetaru 手樽 1.8 27.3 | |
Rikuzen-Tomiyama 陸前富山 1.3 28.6 | |
Rikuzen-Ōtsuka 陸前大塚 2.2 30.8 | | Higashimatsushima
Tōna 東名 1.4 32.2 | |
Nobiru 野蒜 1.2 33.4 ● |
Rikuzen-Ono 陸前小野 2.6 36.0 ● |
Kazuma 鹿妻 1.6 37.6 | |
Yamoto 矢本 2.6 40.2 ● ●
Higashi-Yamoto 東矢本 1.4 41.6 | |
Rikuzen-Akai 陸前赤井 1.5 43.1 ● |
Ishinomakiayumino 石巻あゆみ野 2.1 45.2 ▲ | Ishinomaki
Hebita 蛇田 1.4 46.6 ● |
Rikuzen-Yamashita 陸前山下 1.0 47.6 ● |
Ishinomaki 石巻 1.4 49.0 ● ● Ishinomaki Line

The distances shown above are as of 30 May 2015 following the rerouting of the section between Rikuzen-Ōtsuka and Rikuzen-Ono, by which the section was shortened by 1.2 kilometers.[1]

Rolling stock

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New HB-E210 series 2-car hybrid diesel multiple unit (DMU) trains were introduced on the line from 30 May 2015 between Takagimachi and Ishinomaki following the start of new Senseki-Tohoku Line services using a newly built link connecting with the Tohoku Main Line at Shiogama.[2][3]

New E131-800 series trains were introduced on the line from 1 December 2025 to replace the 205-3100 series.[4][5]

  • A 205-3100 series EMU
    A 205-3100 series EMU
  • An HB-E210 series hybrid DMU
    An HB-E210 series hybrid DMU

Former rolling stock

[edit]
  • A Senseki Line 103 series approaching Hon-Shiogama Station
    A Senseki Line 103 series approaching Hon-Shiogama Station

History

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The Miyagi Electric Railway opened the line in sections between 1925 and 1928. Individual opening dates are given in the timeline section below. The Rikuzen-Haranomachi to Nishi-Shiogama section was double-tracked between 1968 and 1969, and extended to Higashi-Shiogama in 1981.

In 2000, the surface section between Rikuzen-Haranomachi and Sendai was replaced by a double-track underground line, with a new section to Aoba-dori to connect to the Sendai subway.

On 26 March 2016, a new station, Ishinomakiayumino Station, located between Rikuzen-Akai and Hebita, was opened.

Disaster and reconstruction, 2011–2015

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Service was halted after the 2011 Tōhoku earthquake and tsunami as several trains, stations, and sections of the line were destroyed, heavily damaged, and flooded. Service for the first 26 kilometers (16 mi) of the line from Sendai was expected to be restored by the end of May 2011.[6] By mid-July, the Sendai–Matsushima-Kaigan and Yamoto–Ishinomaki sections returned to service, although the latter segment was with diesel trains due to the loss of the power substation.[7] The remainder of the line between Matsushima-Kaigan and Yamoto was obliterated by the tsunami.[7]

Between March and October 2012, services resumed on all sections of the line except between Takagimachi and Rikuzen-Ono section;[8] service there did not resume until 30 May 2015.

Along with the above reopening in 2015, a new 400m long link, which cost approximately 2 billion yen, was constructed from between Shiogama and Matsushima on the Tōhoku Main Line to a point between Matsushima-Kaigan and Takagimachi Station on the Senseki Line. This link allowed through-running services from the Tohoku Main Line to the Senseki Line, and cut approximately 10 minutes off the journey time between Sendai and Ishinomaki.[9]

Timeline

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Senseki Line 205 series EMU damaged by tsunami, March 2011

References

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  1. ^ Sendai Branch, East Japan Railway Company (29 January 2015). "石巻線および仙石線の全線運転再開と仙石東北ライン開業に伴う営業キロの変更及び運賃の適用等について" (PDF) (in Japanese). Archived from the original (PDF) on 9 February 2015. Retrieved 5 July 2015.
  2. ^ 鉄道ファン 乗車インプレッション JR東日本HB-E210系 仙石東北ライン [Japan Railfan Magazine ride impression: JR East HB-E210 series for the Senseki-Tohoku Line]. Japan Railfan Magazine (in Japanese). Vol. 55, no. 652. Japan: Koyusha Co., Ltd. August 2015. pp. 76–79.
  3. ^ "JR東日本に新型車両2形式 – E129系とディーゼルハイブリッド車両HB-E210系" [Two new train types for JR East: E129 series and diesel hybrid HB-210 series]. Mynavi News (in Japanese). Japan: Mynavi Corporation. 2 July 2013. Retrieved 3 July 2013.
  4. ^ E131系800番代N6編成が試運転を実施 [Test run conducted for E131-800 series set N6]. Japan Railfan Magazine Online (in Japanese). Japan: Koyusha Co., Ltd. 2 December 2025. Retrieved 1 December 2025.
  5. ^ 仙石線にE131系導入！前面はフラットな非貫通デザインに 205系の去就はどうなる？ [The E131 series will be introduced on the Senseki Line! The front will have a flat, non-through design. What will happen to the 205 series?]. RM News (in Japanese). Japan: Neko Publishing. 24 December 2024. Retrieved 1 December 2025.
  6. ^ Slavin, Erik (25 April 2011). "U.S. troops restore a train station, one dirt pile at a time". Stars and Stripes. Retrieved 3 September 2025.
  7. ^ a b 津波被害のＪＲ仙石線が部分開通 全線は見通し立たず [Partial reopening of tsunami-hit JR Senseki Line; No timeline for full restoration]. Asahi Shimbun (in Japanese). 16 July 2011. Retrieved 16 July 2011.[permanent dead link]
  8. ^ JR Timetable October 2012 issue, P.9
  9. ^ 東北本線と仙石線を接続、直通運転へ [Tohoku Main Line and Senseki Line to be linked with through-running]. Tetsudo.com (in Japanese). Japan: Asahi Interactive Inc. 19 October 2012. Retrieved 22 October 2012.
  10. ^ a b "JR East news release" (PDF) (in Japanese). Tokyo. 9 October 2009. Archived from the original (PDF) on 13 July 2011. Retrieved 12 March 2011.
  11. ^ "Japanese Passenger Train Unaccounted for After Powerful Earthquake". Nobiru, Japan: Fox News. 11 March 2011.
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