Posts Tagged ‘ traffic controller ’

5 Things That Make Traffic Signals Change


Green. Yellow. Red. Green… What makes traffic light signals change? Traffic signals are Intelligent Transportation Systems (ITS) designed to allow vehicles to safely cross paths while maintaining an efficient flow of traffic. To do this, traffic signals react to the presence of the vehicles and pedestrians they are guiding. Although you probably don’t notice it, each mode of transportation interacts with traffic signals in a unique way. Here are the five main traffic light triggers. 1. Passenger vehicles Ministry...

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