Driver's license written test question bank, effective 2026-03-09

453. From a safety perspective, which of the following is the most inappropriate way of driving when passing through a tunnel?

  1. ①Before entering the tunnel, remove your sunglasses to allow your eyes to adapt to the light, and turn on your headlights as you would at nighttime.
  2. ②If the lanes inside the tunnel are marked with solid white lines, do not change lanes while in the tunnel.
  3. ③Keep a safe following distance from the car ahead, and be ready for sudden stops.
  4. ④Before entering the tunnel, check the road information at the entrance to the tunnel.
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Answer ①

The English PDF has no explanation for this question. The Korean page carries the official explanation. Korean version of this question

Source KoROAD Safe Driving Integrated Civil Service, Driver's License Written Test Question Bank [English] (effective 2026-03-09), post 1923, Download the source PDF source PDF page 129 (checked on 2026-09-04). The question and answer are the KoROAD text as published. The buttons and notes on this page were written by the developer and have not yet been checked by a native speaker. The questions and answers themselves are the official KoROAD text.