“Itō Line”的意思、由来-开放百科全书

词条

Itō Line

释义

Station list
Rolling stock
Train service
History
References

{{Refimprove|date=July 2016}}{{Infobox rail line
|image = Izukyu Resort21 IzuTaga.jpg
|caption = Izu Kyuko Railway 2100 series "Resort21" train at Izu-Taga Station, March 2010
|image_width=300px
| color = FFA500
| logo = {{JRLS|JT|size=25}}
|name=Itō Line
|type=Passenger
|start={{STN|Atami}}
|end={{STN|Itō}}
|stations=6
|open=1935
|owner=
|operator=JR East
|linelength=16.9 km
|gauge={{RailGauge|1067mm}}
}}{{UKrail-header2|Itō Line|#ff7000}}{{BS-table}}{{BS5|STRq|BHFq|ABZq+lr|STRq|STRq|||Tōkaidō Main Line|}}{{BS|KHSTa|||Tokyo Station|}}{{BS|STR|||Tōkaidō Main Line|}}{{BS3|STR|STR||||Tōkaidō Shinkansen|}}{{BS3|BHF|O1=HUBaq|BHF|O2=HUBeq||0.0|Atami Station||}}{{BS3|STR|ABZgl|STR+r||||}}{{BS3|STRr|STR|BHF|1.2|Kinomiya Station||}}{{BS3|STRq|STRr|STR||||}}{{BS3|||TUNNEL1||||}}{{BS3|||TUNNEL1||Fudō Tunnel||1795m}}{{BS3|||BHF|6.0|Izu-Taga Station||}}{{BS3|||TUNNEL1||||}}{{BS3|||BHF|8.7|Ajiro Station||}}{{BS3|||TUNNEL1||Shin-Usami Tunnel||2941m}}{{BS3|||BHF|13.0|Usami Station||}}{{BS3|||BHF|O3=STR+GRZq|16.9|Itō Station||}}{{BS3|||STR|||↓Izu Kyūkō Line|}}{{BS3|||KHSTe|||Izukyū Shimoda Station|}}

The {{Nihongo|Itō Line|伊東線|Itō-sen}} is a railway line owned by the East Japan Railway Company (JR East) which connects Atami and Itō Stations, along the east coast of Izu Peninsula in Shizuoka Prefecture, Japan. From Itō, the line continues south to Shimoda under the privately owned and operated Izu Kyūkō Line.

Station list

Station No.	Name	Japanese	Distance from Atami (km)	Transfers	Location
(Through service for {{STN\|Tokyo}}, {{STN\|Kagohara}}, {{STN\|Utsunomiya}} via {{JRLS\|JT}} Tokaido Main Line, Ueno-Tokyo Line, {{JRLS\|JU}} Utsunomiya Line and {{JRLS\|JU}} Takasaki Line)
JT\|21\|size=40}}	Atami}}	熱海	0	Tokaido Shinkansen Tokaido Main Line	Atami	Shizuoka
JT\|22\|size=40}}	Kinomiya}}	来宮	1.2
JT\|23\|size=40}}	Izu-Taga}}	伊豆多賀	6.0
JT\|24\|size=40}}	Ajiro}}	網代	8.7
JT\|25\|size=40}}	Usami}}	宇佐美	13.0	Itō
JT\|26\|size=40}}	Itō}}	伊東	16.9	Itō	Izukyu Izu Kyūkō Line (through service)
(Through service for {{STN\|Izukyū Shimoda}} via Izu Kyūkō Line)

Rolling stock

Local trains
- E231 series 10-car EMUs (Ito・Tokaido・Ueno-Tokyo Lines)
- E233 series 10-car EMUs (Ito・Tokaido・Ueno-Tokyo Lines)
- Izukyu 2100 series 7-car EMUs (Ito・Izukyu Lines)
- Izukyu 8000 series 3-car or 6-car coupled EMUs (Ito・Izukyu Lines)
Limited express
- 185 series 7-car or 10-car EMUs (Odoriko)
- 251 series 10-car EMUs (Super View Odoriko)
- E259 series 6-car EMUs (Marine Express Odoriko)
- Izukyu 2100 series 7-car or 8-car EMUs (Resort Odoriko)
Sightseeing trains
- 651-1000 series 4-car EMUs (Izu Craile)
- A rebuilt four-car 651 series resort train set named {{Nihongo|Izu Craile|伊豆クレイル}} is scheduled to enter service on the Ito Line from summer 2016. The name is a portmanteau formed from "Cresciuto" (Italian for "mature"), "train", and the suffix "-ile". Car 1 will have window-facing counter seats on the seaward side, car 2 will have a bar counter and lounge, car 3 will have semi-open compartments, and car 4 will have conventional unidirectional 2+2-abreast seating.^[1]

Train service

Most of the local trains are only run between Atami Station and Izukyū Shimoda station via Izu Kyūkō Line.

A few local trains with Green Cars departing from Itō Station enter the Tokaido Main Line, with most of them entering the Ueno-Tokyo Line, and the farthest terminals are Utsunomiya Station or Kagohara Station. As such, Itō Station is the most southern terminal of the Ueno-Tokyo Line.

History

Initial plans called for the Japanese National Railways (JNR) to build a spur line linking Atami on the Tokaido Main Line with Shimoda. However, funding was limited in the 1930s due to a combination of a tight fiscal policy under Prime Minister Osachi Hamaguchi during the Great Depression, and a number of technical issues. The projected route of the Itō line along the mountainous east coast of the Izu Peninsula required numerous tunnels and bridges. Workers digging a tunnel near {{STN|Usami}} encountered problems with underground hot springs, similar to that experienced in the construction of the Tanna Tunnel, which had recently been completed years later than originally projected and far over budget.

On March 30, 1935, the initial 8.7 km section of the Itō Line linking Atami with {{STN|Ajiro}} was opened. The second (8.3 km) section from Ajiro to {{STN|Itō}} was opened on December 15, 1938. Both sections were electrified at 1,500 V DC when opened. Further work was delayed, and then canceled due to the outbreak of World War II.

CTC signalling was commissioned in 1958, and the Atami to Kinomiya section was duplicated in 1968. The entire line was originally designed to be built as double track, and earthworks were undertaken on this basis, including tunneling, but to date only the first 1.2 km of the line has been duplicated.

Construction south of Itō resumed in 1961, when the private-sector Tokyu Corporation acquired the rights to complete the line to Shimoda and established the Izukyu Corporation to manage construction and operations of this section.

References

This article incorporates material from the corresponding article in the Japanese Wikipedia.

1. ^{{cite web |url= http://rail.hobidas.com/news/info/article/2016izu_crail.html|script-title=ja: 651系改造のリゾート列車　2016年夏デビュー|trans-title= Rebuilt 651 series resort train to debut in summer 2016|date= 21 January 2016|work= Tetsudo Hobidas|publisher= Neko Publishing Co., Ltd.|location= Japan|language= Japanese|archiveurl= |archivedate= |accessdate= 21 January 2016 }}

4 : Lines of East Japan Railway Company|Rail transport in Shizuoka Prefecture|Railway lines opened in 1935|1067 mm gauge railways in Japan

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