Excuse me if I curb my enthusiasm (no pun intended) until a working model of a flying car is invented and made available to the general public and Wal-Mart customers.
Flying Car! LOL!
98% of the idiots out there can’t handle 2 dimensions, adding a 3rd will be a bloodbath.
I Guarantee, there can be 50 vertical lanes and 10 Horizontal lanes and there will still be some moron in the top left lane flying under the speed limit blocking traffic