Is it permitted to overtake, or to try overtaking, another vehicle within a distance of 100 meters before a railway crossing?

1. Yes, if the overtaken vehicle is a motorcycle .
2. Yes, provided that a train is neither seen nor heard.
3. Yes, if the overtaken vehicle is a tractor.
4. Correct answer: It is absolutely forbidden.

WhyOvertaking within 100 m before a railway crossing is strictly forbidden. Even a motorcycle, and even if no train is in sight.