Oshima Tunnel

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Oshima Tunnel
Shin-Hakodate-Hokuto Sta 20191011.jpg
The current northern terminus of the Hokkaido Shinkansen with the construction site in the background
Overview
Official nameJapanese: 渡島トンネル
LineHokkaido Shinkansen
LocationJapan (Hokkaido)
SystemShinkansen
StartHokuto
EndYakumo
Operation
Work begunNovember 2016
OwnerJR Hokkaido
TrafficShinkansen
CharacterPassenger
Technical
Length32.675 km (20.303 mi)
No. of tracks1 double-track tube
Track gauge1,435 mm (4 ft 8+12 in)
Electrified25 kV AC, 50 Hz, overhead catenary
Operating speedMaximum speed: 260 km/h (160 mph)

The Oshima Tunnel (渡島トンネル, Oshima tonneru) is a 32.675-kilometer-long (20.303 mi) railway tunnel that is under construction in southern Hokkaido. It will link the city of Hokuto with the town of Yakumo.

The Oshima Tunnel will be a part of the Hokkaido Shinkansen, located between its current northern terminus at Shin-Hakodate-Hokuto Station and the planned Shin-Yakumo Station. Drilling began in 2016 and is set to finish in 2024. Upon its completion it will surpass the Hakkōda Tunnel in Aomori Prefecture as the longest terrestrial tunnel in Japan.[1]

References[]

  1. ^ "渡島トンネル、安全な工事を 北斗で祈願式 陸上では国内最長" [Safe construction prayer ceremony in Hokuto for the Oshima Tunnel set to be the longest in Japan on land]. The Hokkaido Shimbun Press. 9 November 2016. Archived from the original on 9 November 2016. Retrieved 13 April 2020.


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