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Question 3540

If you see one flashing red light or two alternately flashing red lights, what must you do?

  1. Find another road because the road marked by the red lights is completely closed to traffic.
  2. Stop, because they temporarily prohibit passage before a railroad crossing, at the entrance to a movable bridge or a ferry gate, near an exit for firefighting vehicles, or because an aircraft is approaching at low altitude.
  3. Proceed with extreme caution because there is a danger.