Fukushima Tunnel
The 75th longest tunnel in the world
Fukushima Tunnel (Fukushima tonneru) is a tunnel on Tōhoku Shinkansen that runs from Adachi Station in Nihonmatsu city to Minami-Fukushima Station in Fukushima city, Fukushima prefecture with total length of 11.705 m. It was built and completed in 1982.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).