Correct answer
A section with a steep downhill gradient.
P-16a warns of a steep descent. The number expresses the gradient as a percentage; it does not indicate speed or an ascent. P-16b is the sign for a steep ascent.
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A section with a steep uphill gradient.
A section with a steep downhill gradient.
A narrowing of the carriageway.
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Sign P-16A: a steep downhill gradient
What this sign means, its category and its shape.
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