Famous Traffic Light Sensors Ideas. Web smart traffic lights or intelligent traffic lights are a vehicle traffic control system that combines traditional traffic lights with an array of sensors and artificial intelligence to intelligently route vehicle and pedestrian traffic. Sensors can be used to measure and monitor the number of vehicles that pass through a specific point, the speed at which the vehicles are traveling, and more.

[1] they can form part of a bigger intelligent transport system. Web traffic light sensors or cameras have different purposes, but most of the time they are used to measure traffic patterns, traffic flow and determine traffic light timing. Doppler sensors are known to detect motion and measure speed.