What is the meaning of the following traffic sign?

1. The sign indicates the speed limit ahead, and it applies to all vehicles.
2. Correct answer: End of special speed limit.
3. Special speed limit for restricted vehicles only.
4. It is prohibited to drive slower (in k.p.h) than indicated in the sign.

WhyA crossed-out number marks the end of the special speed limit. It is not a minimum speed.