>If it's so efficient and/or desirable, why only a fraction of NYC? You are misinformed. It is only part of NYC and rare in other cities across the US because

>If it's so efficient and/or desirable, why only a fraction of NYC? You are misinformed. It is only part of NYC and rare in other cities across the US because of the planning which generally supports cars, including rules like the article, parking minimums. That makes it a luxury good. Build more walkable areas then it won't be a luxury anymore.