432. Which of the following statements is the least appropriate regarding safe driving under icy road conditions in winter?

1. ①When driving on roads in winter, you should check the weather information and traffic conditions in advance before driving.
2. ②Extra caution should be exercised when driving through tunnels and bridge sections that are vulnerable to icing.
3. ③If de-icing agents have been applied before and after snowfall near tunnels and bridges, it is possible to drive at the usual speed limit safely.
4. ④Some city or provincial police agencies have regulations requiring the use of winter equipment when driving on snowy or icy roads.

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 123 (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.