In front of you is a pedestrian crossing, beyond which the traffic in your lane is backed up. What should you do?

You answered correctly. When there is a traffic jam and a pedestrian crossing ahead, you must stop before the crossing if the traffic is backed up, even if no pedestrians are present at that moment. This ensures the crossing is clear and available for any pedestrians who may want to cross. Waiting on the pedestrian crossing is not allowed, as it blocks the way for pedestrians and violates right-of-way rules. Always keep pedestrian crossings clear, even during heavy traffic. This rule prioritizes pedestrian safety and helps avoid dangerous situations.