Kobe Tunnel
The 137th longest tunnel in the world
Kobe Tunnel (Kobe tonneru) is a railway tunnel on JR's Sanyo Shinkansen line located between Shin-Kobe Station and Nishi-Akashi Station in Kobe City, Hyogo Prefecture next to Rokko Tunnel with total length of 7.970km. It was built and completed in 1972.
Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).