The sign indicates danger due to the proximity of a place frequented by people...
Signage: Vertical signs
This P-21b sign warns of danger due to the proximity of a place frequented by people with motor or sensory impairments, that is, with mobility problems or difficulties perceiving traffic. It indicates that they are especially vulnerable road users and that the driver must exercise extreme caution.
Explanation
P-21b: People with motor or sensory difficulties
Sign P-21b warns of **danger** due to the **proximity of a place frequently used** by people with **motor difficulties** (mobility problems) or **sensory difficulties** (for example, visual or hearing disability).
It indicates that the driver must:
- **Reduce speed**
- **Increase attention**
- Be prepared to **stop** if necessary
Its purpose is to **protect especially vulnerable people**, who may take longer to cross or may not perceive traffic properly.
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