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Hakkōda Tunnel
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The Hakkōda Tunnel (八甲田トンネル, Hakkōda tonneru) is a 26.445-kilometer-long (16.432 mi) railway tunnel located in central Aomori Prefecture, in the Tōhoku region of Japan. It passes through the Hakkōda mountain range and links the town of Shichinohe with the city of Aomori.
Quick Facts Overview, Official name ...
![]() The western portal of the Hakkōda Tunnel | |
Overview | |
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Official name | Japanese: 八甲田トンネル |
Line | Tōhoku Shinkansen |
Location | Japan (Aomori Prefecture) |
Coordinates | 40°46′44.6″N 140°55′49.7″E |
System | Shinkansen |
Crosses | Hakkōda Mountains |
Start | Shichinohe |
End | Aomori |
Operation | |
Work begun | August 1998 |
Opened | 19 November 2010 |
Owner | JR East |
Traffic | Shinkansen |
Character | Passenger |
Technical | |
Length | 26.445 km (16.432 mi) |
No. of tracks | 1 double-track tube |
Track gauge | 1,435 mm (4 ft 8+1⁄2 in) |
Electrified | 25 kV AC, 50 Hz, overhead catenary |
Operating speed | Maximum speed: 260 km/h (160 mph) |
Grade | max 10 ‰ |
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The Hakkōda Tunnel is part of the northern section of the Tōhoku Shinkansen, located between Shichinohe-Towada and Shin Aomori stations.