Are You Going to Make It a Slow Street?

Sally Kohn: I often wonder what it would look like if you decided to just take away the pavement, right? Cause if you 're going to make it a slow street, why notma it a grass street? She says we have maxed out as much pavement as we actually could need up to a certain point. Kohn: We can structure the ground with more open grade systems that allow plants to grow up between them.