Английская Википедия:Hokkaido Shinkansen

The Шаблон:Nihongo is a Japanese high-speed Shinkansen rail line that links up with the Tōhoku Shinkansen in northern Aomori Prefecture in Honshu and continues on into the interior of Hokkaido through the undersea Seikan Tunnel. Construction started in May 2005; the initial Шаблон:STN to Шаблон:STN section opened on 26 March 2016.^[1] The section of the line to Sapporo is scheduled to open by fiscal year 2030.^[2] The line is operated by the Hokkaido Railway Company (JR Hokkaido).^[3]

Associated actions

Файл:Kaikyou line kikonai direction.JPG

The dual-gauge Kaikyo Line near Kikonai Station in March 2016

In preparation for the opening of the Hokkaido Shinkansen, the Seikan Tunnel (Kaikyō Line) and associated approaches (approximately Шаблон:Convert in total)^[4] were converted to dual gauge, with both the Shinkansen Шаблон:RailGauge standard and Шаблон:RailGauge narrow gauge tracks.^[5]

Upon the opening of the Shinkansen line the section of the conventional (narrow gauge) Esashi Line approximately paralleling the same route between Шаблон:STN and Шаблон:STN was transferred from the control of JR Hokkaido to a newly established third-sector railway operating company, South Hokkaido Railway Company, becoming the Isaribi Line.^[6]

Operations

Service types

Two train service types operate on the Hokkaido Shinkansen: limited-stop Hayabusa services between Tokyo or Sendai and Shin-Hakodate-Hokuto, and semi-fast Hayate services between Morioka or Shin-Aomori and Shin-Hakodate-Hokuto.

Under the initial timetable, ten return Hayabusa services operate daily between Tokyo and Shin-Hakodate-Hokuto and one return service operates daily between Sendai and Shin-Hakodate-Hokuto. One return Hayate service operates daily between Morioka and Shin-Hakodate-Hokuto, and one return service daily operates between Shin-Aomori and Shin-Hakodate-Hokuto.^[7]

Operating speed

Upon commencement of services in 2016 the maximum speed on the approximately Шаблон:Cvt dual gauge section of the Hokkaido Shinkansen (including through the Seikan Tunnel) was Шаблон:Convert, increased to Шаблон:Convert in March 2019.^[8] There are approximately 50 freight trains using the dual gauge section each day, so limiting the travel of such trains to times outside of Shinkansen services is not an option. Because of this and other weather-related factors cited by JR East and JR Hokkaido, the fastest journey time between Tokyo and Shin-Hakodate-Hokuto is currently 3 hours, 57 minutes.

During the 2020-21 New Year Holiday period when fewer freight trains were operating, certain Shinkansen services were operated at Шаблон:Convert on the dual gauge section and this is proposed again for the Golden Week Holiday period from 3–6 May 2021 ^[8]

This raising of the maximum speed during major travel periods has been repeated every year since. In January 2024, JR Hokkaido announced that the speed would be raised to Шаблон:Convert)^[9] during major holidays going forward.

To achieve the full benefit of Shinkansen trains travelling on the dual gauge section at Шаблон:Convert (the maximum speed proposed through the tunnel), alternatives are being considered, such as a system to automatically slow Shinkansen trains to Шаблон:Convert when passing narrow-gauge trains, and/or loading freight trains onto special "Train on Train" standard-gauge trains (akin to a covered piggyback flatcar train) built to withstand the shock wave of oncoming Shinkansen trains traveling at full speed. This would enable a travel time from Tokyo to Shin-Hakodate-Hokuto of 3 hours and 45 minutes, a saving of 12 minutes on the current timetable.

In May 2019, JR Hokkaido announced that it had requested permission from the MLIT to increase the speed limit on the Шаблон:Cvt of new track to be constructed between Shin-Hakodate-Hokuto and Sapporo to Шаблон:Convert.^[10] This would involve the extension of buffers on about Шаблон:Cvt of tunnels, installation of sound barriers on about Шаблон:Cvt of the remaining Шаблон:Cvt of surface track and strengthening of viaducts.

Effects of winter weather on train operation

Operating in areas that see significant snowfall during the winter months, accumulation of snow has effects on various train operations. It can cause damage to equipment or can cause a moving train to miss a switch. In particular, accretion of snow in the bogies of the train has been shown to be significant, causing damage or causing schedule delays. Methods have been used to estimate snow accumulation on trains running up to Шаблон:Cvt, and newer estimates based on weather data can predict accumulation of up to Шаблон:Cvt in bogies upon arrival at a station.^[11]

The winter season also adversely impacts the occupancy rates of the rail line, with recorded occupancy reaching a low of 19% in the months of January and February.^[12]

Stations

Legend:

●	All trains stop
▲	Some trains stop

Station	Japanese	Distance from Шаблон:STN (km)	Distance from Шаблон:STN (km)	Hayabusa	Hayate	Transfers	Location
Opened 26 March 2016
↑ Through services towards Шаблон:STN via the Tohoku Shinkansen ↑
Шаблон:STN	Шаблон:Lang	0.0	674.9	●	●	Шаблон:Plainlist	Aomori	Aomori
Шаблон:STN	Шаблон:Lang	38.5	713.4	▲	●	Шаблон:Plainlist	Imabetsu	Aomori
Файл:AB-Tunnel.svg Seikan Tunnel
Шаблон:STN	Шаблон:Lang	113.3	788.2	▲	●	Шаблон:Plainlist	Kikonai	Hokkaido
Шаблон:STN	Шаблон:Lang	148.8	823.7	●	●	Шаблон:Plainlist	Hokuto	Hokkaido
Under construction (Scheduled to open from fiscal 2030)
Шаблон:STN^{[* 1]}	Шаблон:Lang	203.0	877.9				Yakumo	Hokkaido
Шаблон:STN	Шаблон:Lang	235.9	910.8			Шаблон:Plainlist	Oshamambe
Шаблон:STN	Шаблон:Lang	290.3	965.2			Шаблон:Plainlist	Kutchan
Шаблон:STN^{[* 1]}	Шаблон:Lang	328.3	1003.2				Otaru
Шаблон:STN	Шаблон:Lang	360.6	1035.5			Шаблон:Plainlist	Kita-ku, Sapporo

Шаблон:Reflist

Rolling stock

All services are formed of 10-car JR East E5 or JR Hokkaido H5 series trainsets.^[7]

In February 2014, JR Hokkaido placed an order for four 10-car H5 Series Shinkansen trainsets for use on Hokkaido Shinkansen services from March 2016.^[13] Based on the E5 series trainsets operated by JR East since 2011, the order for 40 vehicles cost approximately 18 billion yen.^[13] The first two sets of the order are scheduled to be delivered to Hakodate Depot by road from Hakodate Port in October 2014, with test running commencing before the end of the year.^[14] The remaining two sets on order were scheduled to be delivered in 2015.^[14] The vehicles feature the usual upper green and lower white livery, with a purple stripe in the middle. The color purple was chosen to represent the purple flowers of Hokkaido: lilacs, lupine and lavender. Inside, the ordinary-class cars feature wood paneling and carpet with a snowflake motif. Green class features cream-colored walls representing the local dairy industry and carpet with a drift-ice motif. Gran class features dark blue carpets, said to be modeled after the shimmering lakes and bodies of water along the route.^[15]

A JR East E5 series train in May 2022

A JR East E5 series train in May 2022
A JR Hokkaido H5 series train in June 2022

A JR Hokkaido H5 series train in June 2022

History

Файл:Tokyosapporotrainchart.png

A chart showing proposed journey times between Tokyo and Sapporo as the Hokkaido Shinkansen is extended.

In the early 1970s, two other Shinkansen routes were proposed for Hokkaido: Sapporo – Asahikawa (Hokkaido Shinkansen extension) and Oshamambe – Muroran – Sapporo (Hokkaido South Route). There were also further unofficial plans to connect to Abashiri, Kushiro and Nayoro/Wakkanai. These plans have been indefinitely shelved.

On 1 November 2014, a ceremony was held at Kikonai Station to mark the completion of track-laying for the line between Shin-Aomori and Shin-Hakodate-Hokuto.^[16] Test-running on the Hokkaido Shinkansen tracks within Hokkaido commenced from 1 December 2014, initially at low speeds, with the speed raised to the maximum of Шаблон:Convert later that month.^[17] Test-running was extended through the Seikan Tunnel to Oku-Tsugaru-Imabetsu in December 2014.^[18] Test-running south of Oku-Tsugaru-Imabetsu commenced on 21 April 2015, with the first train reaching Shin-Aomori Station from the north in the early hours of 24 May.^[18]

Future plans

JR Hokkaido is extending the Hokkaido Shinkansen from Shin-Hakodate-Hokuto to Шаблон:STN, planned to open by 2030.^[2] Tunneling work on the Шаблон:Convert Murayama Tunnel, situated about Шаблон:Convert north of Shin-Hakodate-Hokuto station commenced in March 2015; it is scheduled to be completed by March 2021. The Шаблон:Convert extension will be approximately 76% in tunnels, including major tunnels such as Oshima (Шаблон:Convert), Teine (Шаблон:Convert) and Shiribeshi (Шаблон:Convert).^[19] When the section to Sapporo opens, the estimated journey time from Tokyo to Sapporo will be at most 5 hours and 1 minute, but the goal is for it to be below 4 hours.^[20]

References

Шаблон:Reflist

External links

Шаблон:Commons category

Шаблон:Shinkansen Шаблон:JR Шаблон:High-speed railway lines Шаблон:Authority control

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[doshin20150812-1] Шаблон:Cite web

[AsahiShimbun-2] 2,0 ^2,1 Шаблон:Cite web

[jt20111217-3] Шаблон:Cite web

[railjournal20160216-4] Шаблон:Cite web

[rgMay15-5] Шаблон:Cite news

[response20150323-6] Шаблон:Cite web

[jreast20150916-7] 7,0 ^7,1 Шаблон:Cite web

[railwaygazette.com-8] 8,0 ^8,1 Шаблон:Cite web

[9] Шаблон:Cite web

[10] Шаблон:Cite web

[11] Шаблон:Cite journal

[12] Шаблон:Citation

[yomiuri20140416-14] 13,0 ^13,1 Шаблон:Cite web

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[16] Шаблон:Cite AV media

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[20] ttp://www.mlit.go.jp/common/000215188.pdf Шаблон:Bare URL PDF

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