This sign...
Signage: Vertical signs
Explanation
Sign P-31: Traffic congestion
The P-31 sign is a **warning sign** indicating the proximity of a stretch with **stopped or very slow traffic** due to **congestion**. Its purpose is to prevent rear-end collisions and abrupt maneuvers.
How to act:
- **Reduce your speed** and drive with **caution**.
- Maintain a **large safety distance**.
- Be prepared to **stop**.
- Stay alert to **rapid changes** in the flow and to other drivers’ **signals**.
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