Emergency vehicles would be dispatched immediately. Meanwhile, freeway signs would signal lane closings and alternate routes on other streets, where traffic lights would be retimed to handle the greater traffic flow.
Radar sensors would detect lanes with blocked traffic, and cars communicating with the traffic infrastructure would be rerouted automatically in order to keep everyone moving. Police and medical assistance would arrive quickly at the scene of the accident to clear the road and treat victims, saving precious time that would be lost if response times were slower.
This scenario illustrates only one feature of the smart city, a metropolitan area that relies on a seamless web of electronic technology to make it safe, clean and efficient.
