@ai6yr Cycling is great. I do enjoy it (except for the damn cars). But there is one small problem.
Roads.
For bicycles to be useful and efficient, they need paved roads. Pavement is massively costly to lay and maintain.
I am not sure what the answer is, other than greatly reducing suburbanization. Horses, maybe.
@yoused Denser housing with mixed use (ie nearby small stores).