In many cities, the pandemic has changed the way people commute. Bicycle and scooter use has increased, while subway and bus ridership has declined. And as people have started to work from home, fewer cars are on the streets, leading to easing traffic congestion and air pollution. But will these issues return after the pandemic? Or is this an opportunity to reimage our transit systems? We talked to Sarah Kaufman, a transport and urban planning expert about the future of transportation.