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

390. Which TWO correctly describe how to change lanes?

Choose 2 answers.

  1. ①Change lanes while maintaining speed if the car behind you in the lane you are about to enter is far back enough.
  2. ②Slow down when changing lanes if the car behind you in the lane you are about to enter is far back enough.
  3. ③Let the car behind you in the lane you are about to enter pass if it is approaching.
  4. ④Change lanes quickly if the car behind you in the lane you are about to enter is approaching.
Show the answer

Answer ①, 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 110 (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.