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

231. In which of the following situations are motor vehicles and horses NOT allowed to pass along the left side of a road?

  1. ①When a restriction of overtaking is indicated by safety signs, etc.
  2. ②When the road is designated for one-way traffic
  3. ③When the right side of the road is not available for passage due to road construction, etc.
  4. ④When the right side of the road is not wide enough for the passage of motor vehicles and horses
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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 65 (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.