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

414. Which of the following is the safest method of driving a vehicle on a foggy road?

  1. ①On a curved road or at an intersection, honk to warn other vehicles to make way and proceed quickly.
  2. ②In dense fog, keep the high-beam headlights on to secure visibility.
  3. ③On a foggy road, switch on the fog light only.
  4. ④When visibility is secured to some extent, drive slowly while monitoring the guard rail, centerline, and traffic lane to stay aware of the vehicle's position.
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Answer ④

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 118 (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.