With low ridership on trains and buses, how can cities recover? 

In cities around the world, ridership has plummeted on buses, trams and trains, putting many public transportation systems in crisis. Janette Sadik-Khan works with mayors around the world to improve transit systems as part of her work at Bloomberg Associates. The World’s host Carol Hills speaks to the former commissioner of the New York City Department of Transportation about what can be done to save public transit and how the pandemic is an opportunity to rethink and transform urban transit.