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Q: The type of signal in which the timings of the phase and cycle are changed according to traffic demand is called ______ .
  • A. actuated traffic signal
  • B. pedestrian signal
  • C. fixed time signal
  • D. manually operated signal
Correct Answer: Option A - Traffic actuated signals–The timings of the phase and cycle are changed according to the traffic demand. In the full traffic actuated signals, the detectors are located on all the approaches to an intersection and assign the right of way for the traffic movement on the basis of each traffic flow demand. • The fixed time signals are set to repeat regularly cycle of red, yellow and green lights. The fixed time signals are the simplest type of automatic traffic signals which are electricity operated.
A. Traffic actuated signals–The timings of the phase and cycle are changed according to the traffic demand. In the full traffic actuated signals, the detectors are located on all the approaches to an intersection and assign the right of way for the traffic movement on the basis of each traffic flow demand. • The fixed time signals are set to repeat regularly cycle of red, yellow and green lights. The fixed time signals are the simplest type of automatic traffic signals which are electricity operated.

Explanations:

Traffic actuated signals–The timings of the phase and cycle are changed according to the traffic demand. In the full traffic actuated signals, the detectors are located on all the approaches to an intersection and assign the right of way for the traffic movement on the basis of each traffic flow demand. • The fixed time signals are set to repeat regularly cycle of red, yellow and green lights. The fixed time signals are the simplest type of automatic traffic signals which are electricity operated.