On encountering this circular blue sign, what lighting must be on, at a minimum, when traveling on the road?

Question

DentroTest · Accepted Answer

The vertical sign R-413 is a circular mandatory sign with a blue background that indicates the obligation to travel with, at a minimum, the short-range or low-beam lighting on. This requirement applies to all drivers traveling on the signed section, regardless of the visibility or lighting conditions of the surroundings (very common when approaching tunnels or underpasses). The position light alone is insufficient and the high beam is not the one required as the mandatory minimum standard.

On encountering this circular blue sign, what lighting must be on, at a minimum, when traveling on the road?

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