What is the meaning of the following traffic sign?

- Beware! Dead spots.
- Correct answer: Beware! Speed restriction bumps on the road ahead.
- Beware ! Rough road.
- Beware ! Obstacles on the road. .
Why this is the answer
The correct answer in the official bank: Beware! Speed restriction bumps on the road ahead.
This warning sign alerts you to speed restriction bumps on the road ahead. The single rounded black hump above the line depicts the bump itself. Slow down in advance and cross it at low speed to avoid damaging the vehicle or losing control. Don't confuse it with the rough road sign, which shows several bumps.