What does the vertical sign seen on the roadway indicate to us?

Question

DentroTest · Accepted Answer

Sign S-22 is a general information sign that informs of the proximity of a section or place arranged on the roadway for making a U-turn at the same level. The figure shown inside it indicates precisely the distance in meters at which that point is located (300 meters in this case). It must not be confused with a mandatory left turn sign (which would be circular with a blue background) or with an authorization to reverse, a maneuver that is generally prohibited on public roads except in very specific circumstances.

What does the vertical sign seen on the roadway indicate to us?

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