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

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.

所有跟帖： 

• As shown, Holland Tunnel is diff. It only has 2 tubes. -唐宋韵- ♂ (0 bytes) () 02/18/2024 postreply 09:11:13

• At the very beginning, it was very creative to have the idea -妖妖灵- ♀ (0 bytes) () 02/18/2024 postreply 09:16:35

• of a 2-rail design instead of a single-rail one. -妖妖灵- ♀ (0 bytes) () 02/18/2024 postreply 09:17:59

• Channel Tunnel, even for train, is too long to ignore ventin -唐宋韵- ♂ (0 bytes) () 02/18/2024 postreply 09:17:44