Most of these look suspiciously similar to small planes and helicopters! I hope the future sky car looks more like the ehang, at least it will be distinguishable from anything we have so far.

I also hope everything of this nature will be auto-piloted, or else it'll be accidents galore.

It does seem like flying cars is the only real solution to traffic jams. Our body has figured out a long time ago that arranging blood vessels in a 3D fashion gets far more blood cells to where they need to go in less time: