What is the meaning of the following traffic sign?

- Careful, speed bumps ahead.
- Careful, falling rocks.
- Correct answer: Road works ahead.
- Archeological works ahead.
Why this is the answer
The correct answer in the official bank: Road works ahead.
The sign shows a figure of a worker with a digging tool next to a pile, and warns of road works ahead. Slow down, watch out for workers and work equipment, and follow the directions given at the site. It does not warn of falling rocks, speed bumps or archeological works.