Switzerland is moving forward with underground tunnels to move cargo autonomously.

“$3.4 billion concept for underground cargo tubes full of automated delivery carts whisking goods between cities and logistics centers across Switzerland at 30 kilometers per hour”

I like this tech, it will free up a lot of the surface. It may even work in the U.S. inside of cities. Might be a bit much between cities for the near term.

And naturally once the machine intelligence takes over and puts most of us into the Matrix, the rest of have a place to hide Neo.

Switzerland Moves Ahead With Underground Autonomous Cargo Delivery – After half a decade of study, Cargo Sous Terrain is ready to start on its first tunnel