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

223. Which of the following road markings allow a driver to make a U-turn? (Given that there is a U-turn sign)

  1. ①Yellow solid line on the center of the road
  2. ②White solid line on the center of the road
  3. ③White broken line on the center of the road
  4. ④Blue solid line on the center of the road
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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 63 (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.