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

104. Vehicle A is moving slowly on the right side of the expressway's main lane. In this case, what is the best method of entering the main lane?

  1. ①Slowly increase the speed and enter, but make sure you do so after Vehicle A passes.
  2. ②Accelerate and enter using an empty roadside.
  3. ③Stop at the end of the acceleration lane and enter after Vehicle A passes.
  4. ④Continue driving on the acceleration lane at the same speed as Vehicle A.
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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 29 (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.