London used to have a subway dedicated to mail https://en.wikipedia.org/wiki/London_Post_Office_Railway
Chicago too https://en.wikipedia.org/wiki/Chicago_Tunnel_Company
Many cities including New York had pneumatic tube mail systems https://en.wikipedia.org/wiki/Pneumatic_tube_mail_in_New_Yor... https://en.wikipedia.org/wiki/Pneumatic_tube#In_postal_servi...
> and delivery are creating impediments to our happiness and well being.
> I have often wondered what a delivery U-Bahn might look like
Instead of having delivery vans on the sidewalk, you'd have U-Bahn-to-store forklifts on the sidewalk.
I have often wondered what a delivery U-Bahn might look like... something that was devoted entirely on deliveries of materials and packages.
Anything to get more of the cars and trucks off the streets and devote more space in the city to people.