At the beginning when they designed the Channel Tunnel. Now,

妖妖灵 2024-02-18 09:07:13 ( reads)

How many rails are in the Chunnel?

two rail tunnels

The Chunnel actually comprises three tunnels: two rail tunnels, used for freight and passenger trains, and a service tunnel.

跟帖(4)

As shown, Holland Tunnel is diff. It only has 2 tubes.

At the very beginning, it was very creative to have the idea

of a 2-rail design instead of a single-rail one.

Channel Tunnel, even for train, is too long to ignore ventin