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

1. Prepare to stop before the intersection.
2. Always stop before the railway tracks.
3. Correct answer: Slow down and even stop before the crossing.
4. When the barrier’s lights are flickering, drive faster and cross the railway tracks.

WhyAt the crossing, slow down and stop before the tracks if needed. Flashing lights at the barrier mean stop, not speed up.