https://notes.io/wB8aa
https://skaarup-grau-2.thought....lanes.net/why-tunnel
https://click4r.com/posts/g/19....270826/the-20-ft-tun
The Versatility of a Container Tunnel Tunnels are essential for transporting cargo between and within major cities. Truck drivers would save time and fuel if they were able to construct tunnels that run straight from ports to points beyond the high-population areas. Tunnel containers, also known as double door shipping containers have doors at both ends of the container