[At-network] Traffic Management in Zurich

Zurich's plan uses a network of sensors to track the number of cars that enter its downtown and prevent more cars from entering until congestion has subsided.

http://gizmodo.com/zurich-installed-4-500-street-sensors-to-count-every-ca-1...

It's interesting to think about how this could feed into cities with mass-transit and active-transportation systems.