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[What day is it today? | Tohoku Edition] What day is February 27th?
The day the Hakkoda Tunnel, a railway tunnel exclusively for the Shinkansen, was completed (Aomori Prefecture)

The Hakkoda Tunnel , a tunnel exclusively for Shinkansen trains located between Shichinohe-Towada Station and Shin-Aomori Station on the Tohoku Shinkansen line operated by East Japan Railway Company (JR East) , was completed on February 27, 2005
With a total length of 26,455m, it is the longest land railway tunnel in Japan, surpassing the Iwate Ichinohe Tunnel (total length 25,808m)
The Oshima Tunnel (total length 32,675m) between Shin-Hakodate-Hokuto Station and Shin-Yakumo Station (provisional name), which is currently being excavated for the extension of the Hokkaido Shinkansen scheduled for 2031, is expected to break this record
reference
- Wikipedia:Hakkoda Tunnel
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