What danger does this sign indicate?
Signage: Vertical signs
This P-15a sign warns of an upcoming hump in the carriageway, that is, a sudden rise in the road surface that requires reducing speed and increasing attention.
Explanation
Raised bump on the road
The **P-15a Raised bump** sign warns of the **danger due to the proximity of a raised bump in the carriageway**.
A *raised bump* is a sudden elevation of the road surface (such as a speed bump or humpback) that may require you to:
- **Reduce speed** to avoid damage to the vehicle.
- **Increase attention** at the wheel to maintain stability and control.
Its main purpose is to give advance warning of a **raised irregularity on the road** that may be dangerous if driving at an inappropriate speed.
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