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Question 5176

On a stretch of road marked with the dangerous curves sign, is the front fog light allowed to be used between sunset and sunrise?

  1. Yes, when the road is very narrow.
  2. No, if there are no adverse weather or environmental conditions.
  3. Yes, it is always required, used together with low beams or high beams.
Show answer and explanation

Correct answer: Yes, when the road is very narrow.

Even without fog, you may turn on your front fog lights on a stretch marked with signs warning of a series of dangerous curves if the roadway is no more than 6.50 meters wide. They help you see the edges through each curve, but they are never required.

Reglamento General de Circulación, Real Decreto 1428/2003