Tōhoku Main Line
The Tōhoku Main Line (東北本線, Tōhoku-honsen) is a major conventional railway line in Japan, operated by the East Japan Railway Company (JR East), extending 575.7 kilometers from Tokyo Station to Morioka Station and serving as the backbone of rail transport through the northeastern Tōhoku region of Honshu.[1] Running parallel to the high-speed Tōhoku Shinkansen, the line traverses Saitama, Tochigi, Fukushima, Miyagi, and Iwate prefectures, connecting key urban centers including Utsunomiya, Kōriyama, Sendai, and Ichinoseki, while supporting local, rapid, and limited express passenger services as well as freight operations.[2] It plays a crucial role in regional connectivity, facilitating daily commutes, tourism to natural and cultural sites, and economic links between the capital and Tohoku's prefectural capitals, despite competition from the Shinkansen for long-distance travel.[2] The line's origins trace to Japan's early railway era, with construction starting under the private Nippon Railway in 1883; the initial segment from Ueno to Kumagaya opened that year, followed by extension to Utsunomiya in 1885 and full completion to Aomori by 1891, marking a vital north-south corridor that took about 19 hours end-to-end at the time.[3] Nationalized in 1906 and renamed the Tōhoku Main Line in 1909, it was rerouted to Tokyo Station in 1925 and integrated into the Japanese National Railways system before privatization created JR East in 1987.[3] The route was later truncated to Morioka in 2002 and redefined further in 2010 as the Shinkansen expanded northward, shifting its focus to regional roles; it endured severe disruptions from the 2011 Tōhoku earthquake and tsunami, including power failures and track damage, but was restored to full operation within months.[4]Overview
Route Description
The Tōhoku Main Line is a major railway route operated by East Japan Railway Company (JR East), spanning 575.7 km from Tokyo Station in Tokyo Metropolis to Morioka Station in Iwate Prefecture.[5] It follows a north-south path along the eastern side of Honshu island, primarily through Saitama, Tochigi, Fukushima, Miyagi, and Iwate prefectures, serving as a key transportation corridor in the Tōhoku region.[6] The line's southern section from Tokyo to Kuroiso in Tochigi Prefecture, measuring approximately 160 km, is operationally branded as the Utsunomiya Line, while the remaining core segment from Kuroiso to Morioka covers about 416 km and constitutes the primary Tōhoku Main Line.[7] Additionally, the portion south of Ōmiya Station in Saitama Prefecture is shared with services on the Keihin–Tōhoku Line, facilitating integrated urban commuting.[8] Geographically, the route transitions from densely urban areas in Tokyo and Saitama, characterized by high-density infrastructure and commuter traffic, to expansive rural farmlands in Tochigi Prefecture around Utsunomiya. Further north, it navigates varied terrain including the hilly landscapes of Fukushima Prefecture, the coastal plains of Miyagi Prefecture near Sendai, and increasingly mountainous regions in Iwate Prefecture approaching Morioka.[2] This diverse path connects major regional centers such as Utsunomiya, Fukushima City, Sendai, and Morioka, supporting economic activities like agriculture, manufacturing, and tourism across the Tōhoku area.[9] As a vital artery for regional connectivity, the Tōhoku Main Line links the Tokyo metropolitan area with the economic and cultural hubs of northeastern Japan, enabling efficient passenger and freight movement. Pre-2020 daily ridership on the Tokyo to Ōmiya section alone averaged over 630,000 passengers, underscoring its role in daily commutes and long-distance travel, with overall line usage showing steady post-COVID recovery to around 75,000 average daily passengers across the full route in 2024.[10][5] The infrastructure has proven resilient, as evidenced by the rapid restoration following the 2011 Tōhoku earthquake and tsunami that affected sections in Miyagi and Iwate prefectures.[11]Technical Specifications
The Tōhoku Main Line employs a track gauge of 1,067 mm (3 ft 6 in), classified as narrow gauge within Japan's railway network.[12] Electrification on the line is dual-system, utilizing 1,500 V DC overhead catenary from Tokyo to Kuroiso for compatibility with urban and southern networks, then transitioning to 20 kV 50 Hz AC from Kuroiso northward to Morioka to support higher power demands over longer distances.[13][14] The overhead catenary was installed progressively to enable electric traction, replacing earlier steam and diesel operations. The line's maximum operating speed is 120 km/h on most sections, with post-upgrade enhancements permitting 130 km/h on select curves and urban segments like Ueno to Omiya for improved efficiency.[15] Safety is ensured through automatic block signaling, supplemented by the ATS-P (Automatic Train Stop - Pattern) system, which monitors braking patterns via ground coils to prevent signal violations.[16] Track configuration is predominantly double-tracked to facilitate bidirectional traffic, with quadruple tracking in the densely used Tokyo–Omiya corridor shared with parallel lines such as the Keihin-Tōhoku Line; additional passing loops are provided at 11 strategic locations for overtaking slower trains. Urban areas feature grade separations and protected level crossings to mitigate collision risks.[17]Operations
Passenger Services
The Tōhoku Main Line provides essential local passenger services operated exclusively by East Japan Railway Company (JR East), stopping at all stations to serve regional commuters and short-distance travelers along its route from Tokyo to Morioka. These services are integral to the Ueno–Tokyo Line, enabling seamless through-running from the northern Tōhoku Main Line sections to the Tōkaidō Main Line toward central Tokyo, with frequent departures facilitating daily mobility in the Greater Tokyo area and beyond.[9] Rapid services on the line, such as the Rabbit trains on the Utsunomiya Line portion (a segment of the Tōhoku Main Line), offer accelerated travel by bypassing minor stations, connecting Ueno in Tokyo to Utsunomiya in about 1 hour and 26 minutes and supporting efficient access to northern prefectures. These operations enhance connectivity for passengers not requiring high-speed travel, with JR East maintaining consistent schedules to accommodate peak-hour demand.[18] Limited express services on the adjacent Jōban Line, including the Hitachi (to Sendai) and Tokiwa (to Katsuta), run between Tokyo (via Shinagawa and Ueno) and points north, featuring reserved seating and operating at higher speeds than local or rapid options, averaging around 130 km/h on suitable sections to provide a premium conventional-line experience; the Tōhoku Main Line itself primarily supports local and rapid services, with no regular limited expresses extending to Morioka, where long-distance travel is served by the parallel Tōhoku Shinkansen.[19] The Tōhoku Main Line functions as a key feeder for the parallel Tōhoku Shinkansen, with connections at major hubs like Utsunomiya and Sendai allowing passengers to transfer to bullet trains for expedited long-distance travel, though no Shinkansen services run directly on the conventional tracks. Ticketing is streamlined through IC card systems such as Suica and Pasmo, compatible across JR East lines for contactless fares; for instance, the Tokyo to Sendai journey takes approximately 4.5 hours on limited express services versus 1.5 hours on the Shinkansen, with ridership as of fiscal year 2023 recovering to approximately 90% of pre-pandemic levels amid renewed travel demand. In 2025, new services such as the weekend "Evening Way" limited express between Sendai and Kogota and trial overnight expresses from Tokyo to northern Tōhoku using converted E657 series trains have been introduced to enhance regional connectivity.[20][21][22][23][24]Freight and Other Services
Freight operations on the Tōhoku Main Line are primarily managed by Japan Freight Railway Company (JR Freight), which holds second-kind railway business rights over the line from Tabata Signal Station to Morioka Station. These services focus on transporting containerized goods, lumber from regional forests, and industrial materials produced in Tōhoku factories southward to Tokyo and beyond, utilizing the line's extensive network for efficient bulk movement. Electric locomotives haul mixed freight trains on the electrified sections, supporting the region's manufacturing and agricultural sectors by linking production hubs with major consumption centers.[25] Key freight yards along the line include Omiya Marshalling Yard, which serves as a critical sorting and branching point for trains heading north; Koriyama Freight Terminal Station, handling container and bulk cargo interchanges; and Sendai Freight Terminal, facilitating transfers between rail and truck for regional distribution. These facilities enable seamless operations, with Omiya acting as a gateway from the Tokyo area, Koriyama supporting Fukushima Prefecture's industrial output, and Sendai managing Miyagi's logistics needs. JR Freight's network in the Tōhoku region spans approximately 1,457 km, underscoring the line's role in regional supply chains.[26][27] In fiscal year 2022, JR Freight's total nationwide freight volume reached 26.6 million tons, with containerized shipments comprising the majority at 18.3 million tons; these operations contribute to JR Freight's regional activities in the Tōhoku area, reflecting steady demand for the line's capacity despite national fluctuations. Freight recovery following the 2011 Tōhoku earthquake and tsunami highlighted the line's resilience, with services resuming key routes to support reconstruction efforts.[28][29] Beyond standard freight, the line accommodates track maintenance trains for routine inspections and repairs, ensuring infrastructure reliability across its 575.7 km length. Occasional railfan excursions and charter services, such as container tours at Sendai Freight Terminal, provide educational and enthusiast experiences, though no regular tourist trains operate; seasonal events hold potential for expanded special runs. Operational challenges include congestion due to passenger service priority, mitigated by scheduling dedicated freight paths during off-peak and nighttime hours, when about 90% of shipments occur.[30][31][30]Route and Infrastructure
Station List
The Tōhoku Main Line comprises approximately 116 stations from Tokyo to Morioka, serving as key stops for passenger and freight services across eastern Japan. Many minor stations in rural areas, particularly in Tochigi, Fukushima, and Iwate prefectures, are unmanned and feature basic platforms with shelters, while major hubs have undergone accessibility upgrades including elevators and ramps since the 2010s as part of JR East's barrier-free initiatives.[32][33] The route experiences gradual elevation changes, rising from sea level along the coastal plains to approximately 130 m in the Iwate region near Morioka. Key transfers occur primarily at Shinkansen-intersecting stations, facilitating connections to high-speed services. Below is a segmented catalog of all stations, with kilometer posts noted for principal locations where available (measured from Tokyo Station).[34][35]Tokyo–Kuroiso Segment (0–159.9 km)
This 159.9 km section passes through urban Tokyo, Saitama, and rural Tochigi, with 34 stations. It overlaps with the Keihin–Tōhoku Line between Ueno and Omiya, and uses the Ueno–Tokyo Line tracks from Tokyo to Ueno.| Station Name | Km from Tokyo | Key Transfers | Facilities Notes |
|---|---|---|---|
| Tokyo | 0 | Tōkaidō Main Line, Yamanote Line, many subway lines | Full facilities, elevators, staffed 24/7 |
| Kanda | 1.0 | Tokyo Metro lines | Elevators, staffed |
| Akihabara | 2.7 | Yamanote Line, Sōbu Line | Full facilities, elevators |
| Okachimachi | 4.0 | Tsukuba Express | Elevators, staffed |
| Ueno | 5.6 | Yamanote Line, Jōban Line, Keisei Line | Major hub, full facilities, elevators |
| Uguisudani | 6.5 | N/A | Basic facilities, elevators |
| Nippori | 7.6 | Yamanote Line, Keisei Line | Elevators, staffed |
| Nishi-Nippori | 8.3 | N/A | Elevators |
| Tabata | 9.6 | Yamanote Line | Elevators, staffed |
| Akabane | 14.6 | Saikyō Line | Elevators, staffed |
| Omiya | 30.3 | Tōhoku Shinkansen, Saikyō Line | Major hub, full facilities, elevators |
| Oyama | 84.0 | Ryōmō Line | Elevators, staffed |
| Utsunomiya | 118.5 | Tōhoku Shinkansen, Nikkō Line | Major hub, full facilities, elevators |
| Nasushiobara | 152.2 | Tōhoku Shinkansen | Elevators, staffed |
| Kuroiso | 159.9 | Karasuyama Line | Basic facilities |
Kuroiso–Shin-Shirakawa Segment (159.9–224.0 km approx.)
This section covers 64.1 km through rural Tochigi and southern Fukushima, with 10 stations, many unmanned.| Station Name | Km from Tokyo | Key Transfers | Facilities Notes |
|---|---|---|---|
| Takaku | 165.0 approx. | N/A | Unmanned, basic shelter |
| Kurodahara | 170.0 approx. | N/A | Unmanned |
| Toyohara | 180.0 approx. | N/A | Unmanned |
| Shiobara | 190.0 approx. | N/A | Unmanned |
| Yaita | 200.0 approx. | N/A | Basic |
| Shin-Shirakawa | 224.0 approx. | Tōhoku Shinkansen | Elevators, staffed |
Shin-Shirakawa–Fukushima Segment (224.0–272.0 km approx.)
This 48 km portion through Fukushima Prefecture includes 15 stations, with Koriyama as a major hub.| Station Name | Km from Tokyo | Key Transfers | Facilities Notes |
|---|---|---|---|
| Shirakawa | 230.0 approx. | N/A | Basic facilities, elevators |
| Kutano | N/A | N/A | Unmanned |
| Izumizaki | N/A | N/A | Unmanned |
| Yabuki | N/A | N/A | Unmanned |
| Kagamiishi | N/A | N/A | Unmanned |
| Sukagawa | N/A | N/A | Basic, staffed |
| Koriyama | 260.0 approx. | Tōhoku Shinkansen, Banetsu West Line | Full facilities, elevators |
| Hiwada | N/A | N/A | Unmanned |
| Motomiya | N/A | N/A | Basic |
| Nihonmatsu | N/A | N/A | Basic |
| Fukushima | 272.0 approx. | Tōhoku Shinkansen, Yamagata Line, Ōu Main Line | Major hub, full facilities, elevators |
Fukushima–Sendai Segment (272.0–350.0 km approx.)
Covering 78 km, this segment has 23 stations, connecting prefectural capitals with urban Sendai.| Station Name | Km from Tokyo | Key Transfers | Facilities Notes |
|---|---|---|---|
| Higashifukushima | N/A | N/A | Basic |
| Date | N/A | N/A | Unmanned |
| Koori | N/A | N/A | Unmanned |
| Fujita | N/A | N/A | Unmanned |
| Kaida | N/A | N/A | Unmanned |
| Shiroishi | N/A | Tōhoku Shinkansen (nearby) | Basic, elevators |
| Shiroishi-Zao | 310.0 approx. | N/A | Basic |
| Ogawara | N/A | N/A | Unmanned |
| Funaoka | N/A | N/A | Basic |
| Iwanuma | N/A | N/A | Basic, staffed |
| Tatekoshi | N/A | N/A | Unmanned |
| Natori | N/A | N/A | Basic |
| Sendai | 350.0 approx. | Tōhoku Shinkansen, Senseki Line, Jōban Line | Major hub, full facilities, elevators |
Sendai–Ichinoseki Segment (350.0–410.0 km approx.)
This 60 km coastal-inland section includes 16 stations, featuring scenic stops like Matsushima-Kaigan.| Station Name | Km from Tokyo | Key Transfers | Facilities Notes |
|---|---|---|---|
| Higashisendai | N/A | N/A | Basic |
| Iwakiri | N/A | N/A | Unmanned |
| Rikuzen-Sanno | N/A | N/A | Unmanned |
| Kokufutago | N/A | N/A | Unmanned |
| Shiogama | N/A | Senseki Line | Basic, elevators |
| Matsushima-Kaigan | 370.0 approx. | Senseki Line | Basic facilities, elevators for tourism access |
| Atago | N/A | N/A | Unmanned |
| Shinaizuma | N/A | N/A | Unmanned |
| Kashimadai | N/A | N/A | Unmanned |
| Matsuyama-Machi | N/A | N/A | Unmanned |
| Kogota | N/A | N/A | Basic |
| Tajiri | N/A | N/A | Unmanned |
| Ichinoseki | 410.0 approx. | Tōhoku Shinkansen, Rikuu East Line | Full facilities, elevators |
Ichinoseki–Morioka Segment (410.0–575.7 km)
The final 165.7 km through Iwate includes 27 stations, rising in elevation to 130 m, with rural unmanned stops predominant.| Station Name | Km from Tokyo | Key Transfers | Facilities Notes |
|---|---|---|---|
| Yamanome | N/A | N/A | Unmanned |
| Hiraizumi | N/A | N/A | Basic, tourism facilities |
| Maesawa | N/A | N/A | Basic |
| Rikuchu-Ori | N/A | N/A | Unmanned |
| Mizusawa | N/A | N/A | Basic, staffed |
| Kanegasaki | N/A | N/A | Basic |
| Rokuhara | N/A | N/A | Unmanned |
| Kitakami | 460.0 approx. | Kitakami Line | Full facilities, elevators |
| Murasakino | N/A | N/A | Unmanned |
| Hanamaki | 490.0 approx. | Hanamaki Line | Basic, elevators |
| Hanamaki-Kuko | N/A | N/A | Basic for airport access |
| Ishidoriya | N/A | N/A | Unmanned |
| Hizume | N/A | N/A | Unmanned |
| Shiwa-Chuo | N/A | N/A | Basic |
| Furudate | N/A | N/A | Unmanned |
| Yahaba | N/A | N/A | Basic |
| Iwate-Iwata | N/A | N/A | Unmanned |
| Senbokucho | N/A | N/A | Unmanned |
| Morioka | 575.7 | Tōhoku Shinkansen, lines to Akita/Hokuriku | Major hub, full facilities, elevators |