What specifically does the hazard warning sign P-31 indicate?

Question

DentroTest · Accepted Answer

The correct answer is that a zone with possible traffic congestion is approaching. The P-31 sign (a triangle with a red border showing several lined-up vehicles) belongs to the group of hazard warning signs. Its function is to warn the driver of the proximity of a section where traffic flow may be stopped or hindered due to traffic density. Upon seeing it, it is essential to moderate speed and increase the safety distance to avoid rear-end collisions. The other options are incorrect because surveillance is indicated by specific panels, and a closed road would have entry prohibition signs.

What specifically does the hazard warning sign P-31 indicate?

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