When driving at night at the wheel of a truck on a road passing through a town (travesía) that has sufficient lighting, which lighting is it mandatory to keep on?

Question

DentroTest · Accepted Answer

The General Traffic Regulations (Article 101(1)) require every motor vehicle driving between sunset and sunrise on sufficiently lit urban or interurban roads to keep on, in addition to the position lights, the low beam. A lit road passing through a town (travesía) is that case, so the light that applies is the low beam. The high beam is reserved for driving outside built-up areas on insufficiently lit roads, at more than 40 km/h (Article 100(1)), and it is replaced by the low beam whenever there is any risk of dazzling (Article 102). That is why you must not choose without distinction between low beam and high beam, nor replace the low beam with the high beam even if nobody is dazzled.

When driving at night at the wheel of a truck on a road passing through a town (travesía) that has sufficient lighting, which lighting is it mandatory to keep on?

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