Children’s Streets” consist in pedestrianizing the streets around nursery and elementary school. The aim is to make the route between home and school safer for children, but also to combat pollution.
Removable barriers are installed wherever possible. They allow the passage of emergency vehicles and services (garbage trucks, etc.), but prohibit the passage of other motorized vehicles.
More picture and before/after sliders at the bottom: https://www.paris.fr/pages/57-nouvelles-rues-aux-ecoles-dans-paris-8197#des-rues-aux-enfants-avec-un-amenagement-specifique
Paris’ population density rivals that of Tokyo though.
I don’t believe NYC or London come close. Might be why parisians are so willing to tell the establishment to fuck off compared to us lackadaisical Americans.Edit: looking it up NYC is quite a bit more densely populated than even Paris. Manhattan is out of its mind.