[andreygrehov]

I get that a solution does exist. But you can't simply throw an idea and have someone else implement it for you. First, you need to describe a problem. Like, why do you believe that, say, Court Street should be car-free. Next, propose a solution. Do cost and risk analysis. Have people review it all. Only after we can start a conversation.

There are so many unknown unknowns that I don't even want to try to guess.

The author of the project decided to go with New York as the first candidate for transformation. In my opinion, this is a mistake. New York is likely one of the most challenging cities in the world to transform.