We’ve known how terrible North American city planning is since A Pattern Language (70s) and Life and Death of Great American Cities (60s). How do we turn it in

We’ve known how terrible North American city planning is since A Pattern Language (70s) and Life and Death of Great American Cities (60s). How do we turn it into concrete, short term action? What’s the 2019 equivalent of smashing curbs for wheelchair access? (https://99percentinvisible.org/episode/curb-cuts/ https://99percentinvisible.org/episode/curb-cuts/)