What indication does a square sign with a blue background showing a numerical figure (sign S-7) convey?

Question

DentroTest · Accepted Answer

Sign S-7 belongs to the group of general information signs and is called 'Recommended maximum speed'. Being square, with a blue background and the figure in white, its function is neither punitive nor prohibitive: it recommends that drivers not exceed the speed indicated, in kilometers per hour, even if the weather and environmental conditions of the road and of traffic are favorable. By contrast, the prohibition on exceeding a speed is expressed by a circular sign with a red border (R-301), and the obligation to travel at least at a given speed by a circular blue minimum speed sign (R-411).

What indication does a square sign with a blue background showing a numerical figure (sign S-7) convey?

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