While Level 5 autonomy (everywhere, all the time) sounds ideal, if it happens too fast, it will exacerbate our already overloaded transportation networks. Level 4 is fully autonomous for an entire trip in certain conditions and Level 5 is autonomous in all conditions, everywhere (a wonder car!). Level 5 autonomy, where you and I would buy a vehicle that goes anywhere, anytime, is a very long way off. Level 4 is world-changing, in all the best waysLevel 4 is fully autonomous but in geofenced locations or situations. How to move forwardIn the next decade, we’ll see increasing numbers of personal vehicles reach Level 2 autonomy.