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Question 1990

To drive through this insufficiently lit tunnel at more than 40 km/h, in addition to the position lights, you must use…

  1. Fog lights, because their lower position illuminates a wider area and increases visibility.
  2. High beams, which you must switch to low beams as soon as you notice any possibility of blinding other road users.
  3. Low-beam headlights, always.
Show answer and explanation

Correct answer: High beams, which you must switch to low beams as soon as you notice any possibility of blinding other road users.

At more than 40 km/h in an insufficiently lit tunnel, you must use high beams together with position lights. You must switch to low beams as soon as there is a possibility of blinding others.

Reglamento General de Circulación (Real Decreto 1428/2003)