Practice question

Which lane-use control signal meaning is correct?

  1. Red X means the lane is closed; yellow X means it is about to close; downward green arrow means it is open
  2. Red X means speed up; yellow X means stop forever; green arrow means pedestrians only
  3. All X signals mean the lane is open
  4. A downward green arrow means the lane is about to close

Answer: A — Red X means the lane is closed; yellow X means it is about to close; downward green arrow means it is open

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