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

123. Fatigue affects a driver's driving performance. Which of the following correctly describes the influence of fatigue on a driver?

  1. ①The response time of a driver to stimuli in his/her surroundings quickens.
  2. ②The vision of the driver deteriorates and his/her view widens.
  3. ③A driver's ability to recognize objects and drive safely deteriorates.
  4. ④A driver's driving performance becomes more meticulous and planned.
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Answer ③

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 34 (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.