In some smart cities, these cars are also connected to public transportation grids making inner city traffic more manageable.

FORBES: The Massive M2M Business Opportunity (Part 2)

Cambridge, for example, believes it can get no further with controlling traffic within the city by strict limits on public parking because uncontrolled private non-residential parking now accounts for more than 85% of the available parking spaces within the city.

ECONOMIST: Transport

Public opinion polls show strong support for the principle of closing city centres to traffic, though in practice, the move might prove less popular.

BBC: News | Europe | Off the roads