Current "trend" is medium density housing, with smaller roads. Most of US is 9+ months out of the year a walkable climate. Putting down a small self driving st

Current "trend" is medium density housing, with smaller roads. Most of US is 9+ months out of the year a walkable climate. Putting down a small self driving street car for short trips removes a lot of road congestion in town. And if you just place navigation tags into the pavement - you avoid the need for expensive AI based nav system.