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Answered

At some intersections the traffic signals have sensors to detect vehicles, and the traffic signal will only change if A: At least two vehicles have stopped at the red traffic light. B: A vehicle facing the red traffic light stops 20 feet back from the stop line. C: A vehicle facing the red traffic light stops at the stop line.

Answer :

Lanuelgo

At some intersections, the traffic signals are equipped with sensors to detect vehicles, and the traffic signal will only change if: option C.

What is a traffic signal?

A traffic signal refers to a sign that is erected beside or above roads by a road safety agency, in order to give warnings and instructions to road users such as:

  • Drivers
  • Passengers.
  • Pedestrians

At some intersections, the traffic signals are equipped with sensors to detect vehicles, and the traffic signal are programmed to only change if a vehicle facing the red traffic light stops at the stop line.

Read more on traffic signal here: https://brainly.com/question/22768531

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