In 2024, the road length of paved national highways in South Korea was approximately  thousand kilometers. National highways in South Korea were defined as roads that connected main cities, ports, airports, and tourist sites, and were under the control of the Ministry of Land, Infrastructure, and Transport (MOLIT) of South Korea.
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KOSIS. (August 29, 2025). Length of national highways in South Korea in 2024, by type (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 26, 2026, from /statistics/712562/south-korea-national-highways-infrastructure-by-type/
KOSIS. "Length of national highways in South Korea in 2024, by type (in kilometers)." Chart. August 29, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 26, 2026. /statistics/712562/south-korea-national-highways-infrastructure-by-type/
KOSIS. (2025). Length of national highways in South Korea in 2024, by type (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 26, 2026. /statistics/712562/south-korea-national-highways-infrastructure-by-type/
KOSIS. "Length of National Highways in South Korea in 2024, by Type (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 29 Aug 2025, /statistics/712562/south-korea-national-highways-infrastructure-by-type/
KOSIS, Length of national highways in South Korea in 2024, by type (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/712562/south-korea-national-highways-infrastructure-by-type/ (last visited July 26, 2026)
Length of national highways in South Korea in 2024, by type (in kilometers) [Graph], KOSIS, August 29, 2025. [Online]. Available: /statistics/712562/south-korea-national-highways-infrastructure-by-type/
