Nowhere on Earth is close to peak density. Concepts like Shimizu Pyramid exist demonstraing high class living with densities over 100k / km². Transit infrastruc

Nowhere on Earth is close to peak density. Concepts like Shimizu Pyramid exist demonstraing high class living with densities over 100k / km². Transit infrastructure has already been developed to handle volumes as high as the millions of persons per hour. We are also nowhere close to peak density efficiency, since the widespread refinement of high-density building would drop the price per person way below the current aggregate costs of living considering the whole of infrastructure and housing almost anywhere. There is a strong cultural barrier to the development of higher densities though that associate it with poverty. Thats the real challenge to overcome, because that culture operates like the anti-nuclear sentiment to stymie development and stunt the growth of innovations in the domain of urban planning.