Which of the following is the longest Railway Tunnel?
Which of the following is the longest Railway Tunnel? Correct Answer Tanna (Japan)
Tanna (Japan) is the longest Railway Tunnel. Tanna Tunnel is a railroad tunnel in Shizuoka Prefecture, Japan operated by JR Central's Tokaido Main Line. This 7.8 km long tunnel shortened the trunk route between Tokyo and Kobe by omitting a detour round the mountains between Atami and Numazu.