Despite significant investments and technological advancements, the reality is that no vehicle currently operating on public roads can be classified as fully autonomous. The complexities of real-world driving conditions present insurmountable challenges.
Compact, low-rise villages and cities made sense based on how far people could reasonably travel on foot or by horse. This was true all the way up until the late 1800s. Then came an invention that let people travel incredible distances in seconds, entirely reshaping cities with dense population clusters.