Multiple choice

Which is the longest railway tunnel below sea?

  1. Jawahar Tunnel

  2. Rohtang Tunnel

  3. Seikan Tunnel

  4. Channel Tunnel
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

The Seikan Tunnel in Japan is the longest railway tunnel below sea level and was the longest railway tunnel overall until the completion of the Gotthard Base Tunnel. It connects the Japanese islands of Honshu and Hokkaido, is 53.85 km long, and reaches a depth of 240 meters below sea level.

Keep practicing — related questions