Not exactly rocket science. Many cities around the world have figured it out already. To me it seems that the US went to the other extreme and is only slowly turning around.
I remember reading "Das neue Universum"² in the early 80s where they proposed large skyscrapers connected by tubes. No cars in sight.
I remember reading "Das neue Universum"² in the early 80s where they proposed large skyscrapers connected by tubes. No cars in sight.
Oh and don't miss "Das Neue Universum Volume 84 (1967)": http://klausbuergle.de/buergle_verkehr1.htm -
Click on the bottom left image - looks a lot like Hyperloop, doesn't it? The text even mentions that the tubes contain a vacuum!
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² https://de.wikipedia.org/wiki/Das_Neue_Universum