[Alberta's Child]

I consider that to be a very "futuristic" concept that is not likely to be feasible anytime in the near future. I'm also not sure people are going to be too happy about living in a city with a sprawling network of elevated guideways like that.

Interestingly . . . transportation systems like these have to be viewed in the context of all urban infrastructure. What you'll often find is that a city will often face other constraints long before it reaches the kind of size and density that makes some of these transportation systems feasible.

[Erasmus]

What you'll often find is that a city will often face other constraints long before it reaches the kind of size and density that makes some of these transportation systems feasible.

Such as an entrenched criminal political ruling class that drives all productive activity out of the area. With that exodus, the only remaining economic resource is the pocket of the US federal taxpayer.