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Given the vertical sign, I understand that:

AIt is a mandatory road for goods vehicles.
BTraffic is prohibited for goods vehicles.
CTraffic is prohibited for heavy vehicles.Correct
Explanation
The vertical sign observed in the image, which features a red border and the frontal silhouette of a heavy vehicle, a bus, and a truck, is the 'no entry for heavy vehicles' sign. This sign indicates that the circulation of all heavy vehicles is prohibited on the road in question. The remaining options are incorrect because mandatory signs are circular with a blue background and not a red border. Furthermore, the prohibition of traffic only for goods vehicles is indicated by a different sign, which shows the side silhouette of a truck.
Explanation generated by artificial intelligence and may contain errors. Always confirm the information with your instructor.
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