What are you required to do according to the following road sign?

1. Give right-of-way to vehicles and pedestrians.
2. Slow down and shift into neutral gear.
3. Cross this road-section quickly.
4. Correct answer: Slow down and be very cautious. Prepare for a possible sudden braking.

WhyThe sign does not say what the danger is, so slow down and be ready to brake hard. Neutral gear and driving through fast only increase the risk.