Public transportation is on a different level and all mayor cities are connected via a high speed rail network.
The latter probably will never happen in the US.
The latter probably will never happen in the US.
[1] https://youtu.be/VPjODKUxV5g (22:05)
Beijing to Shanghai is roughly the same distance as Chicago to New York City. Travel time via train is 4.5 hours vs 22 hours.
Boston to New York is almost 4 hours on the Acela!