> Outer rings to avoid passing traffic going into the city, an inner traffic distribution ring, channels to have traffic avoid the old city center It's funny h

> Outer rings to avoid passing traffic going into the city, an inner traffic distribution ring, channels to have traffic avoid the old city center It's funny how it look like a quick description on how traffic is organized around Paris, which is heavily gridlocked. Of course, that's two different metro area and I'm not a specialist on why we have traffic issues here in Paris.