
Correct answer
With a dangerous downhill section due to a steep gradient.
The vertical danger warning sign P-16a shown in this image indicates that we are approaching a stretch of road with a steep downhill gradient, where we must take extreme care. The figure shown on the sign, in this case 10%, is the percentage gradient we will encounter on this stretch.
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That rockfalls or snowfalls are frequent.
With a dangerous uphill section due to a steep gradient.
With a dangerous downhill section due to a steep gradient.
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Sign P-16A: a steep downhill gradient
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