What type of traffic light changes its timing based on cars actually being there?

The type of traffic light that changes its timing based on cars actually being there is known as an actuated traffic light. An actuated traffic light is designed to respond to real-time traffic demand rather than operating on a fixed, predetermined schedule. These systems use various types of vehicle detection sensors to identify the presence of vehicles approaching or waiting at an intersection. The most common sensor is the inductive loop detector, which is a coil of wire embedded in the pavement. When a metal object like a car passes over or stops o....