At a signal-controlled junction, the primary signal beside the stop line is not working, but the duplicate signal opposite is operating. What should you do?
Obey the working secondary signal as if it were the primary signal.✓Correct answer
Ignore all signals and apply only the priority-to-the-right rule.
Wait for a police officer even when the secondary signal turns green.
Proceed whenever the nearest pedestrian signal shows red.
Explanation
The operating secondary signal must be obeyed as though it were the primary signal. Treating the junction as uncontrolled would discard the duplicate control that is specifically provided for this situation.