Doing some writing. In the late 21st century I have th flying car. Then 60 years later the Chinese and Japanese collaborate on a three level liner synth for flying cars. the top lane is express and the middle for causing and the bottom for descent or docking at buildings 2nd and third floor.
I have synths controlling traffic since 2065 and they speed up the flow. So after the dying cars and synths and second floor walk ways across streets, the streets of Ny are park like and easy to walk. Bodegas and food carts on the second floor level in cross wars between buildings.
“Bodegas and food carts on the second floor level in cross wars between buildings.”
Maybe one day there will be no more wars.