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The indication given by the variable message sign:
AIs optional.
BIs mandatory.Correct
CHas no value.
Explanation
Variable message signs are intended to regulate traffic, warn users of dangerous situations, or provide useful information. When these panels display prohibition signs, such as the maximum speed limit of 80 km/h visible in the image, their indications are mandatory and must be strictly respected by drivers. The indications are neither optional nor devoid of legal value, as variable message signs have the same legal force as conventional vertical signage, and their non-observance is sanctioned by law.
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