We would see this issue because Paris is also restricting car traffic.

https://slate.com/business/2023/03/paris-car-ban-bikes-cycli...

> It’s part of a larger movement—spanning a half-century, two decades, or the mayoral tenure of the Socialist Anne Hidalgo, depending on whom you ask—to expel cars from the heart of the largest metropolitan area in the European Union. Car trips within Paris declined by almost 60 percent between 2001 and 2018, according to research from Atelier Parisien d’Urbanisme, the city’s planning arm; between the city and its suburbs, they have fallen by 35 percent. Car crashes have fallen by 30 percent; pollution has fallen too.

> Banning cars would do the same though, even more so.

Don’t worry. They are on their way to do just that, as well.