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

412. Which of the following describes aquaplaning most appropriately?

  1. ①You must change tires with wider widths to reduce the risks associated with aquaplaning.
  2. ②Aquaplaning is more common in snow than rain. You must reduce speed.
  3. ③Tires with worn-down treads will experience less aquaplaning due to reduced traction.
  4. ④Underinflation can cause the tires to aquaplane more, especially at higher speeds.
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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 117 (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.