This is true, but only in a car-centric city like those in the US. If we extend this hypothetical to include additional changes to our infrastructure such as: reclaiming lanes for wider sidewalks, bike lanes, and bus/taxi lanes, restricting car traffic on heavily foot-trafficked streets, or building housing where parking was, cars remain cumbersome to use.

I’m not actually pitching this course of action for any specific city; I actually live in an extremely rural area and don’t have a horse in this race. Just want to make the point that mass transit investments can’t happen in a vacuum if we want to achieve the desired results.