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

439. According to the Road Traffic Act, at which reduced speed should a vehicle drive on an automobile road with two lanes in one direction when it is wet due to rain?

  1. ①80 km/h
  2. ②90 km/h
  3. ③72 km/h
  4. ④100 km/h
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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 125 (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.