In 2024, South Korea had approximately  kilometers of four-lane expressways. This was the most common size for expressways in the country by a large margin. There were almost ** kilometers of expressways with ten or more lanes.
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KOSIS. (September 4, 2025). Length of expressways in South Korea in 2024, by type (in kilometers) [Graph]. In ÌÇÐÄÆƽâ°æ. Retrieved July 15, 2026, from /statistics/712519/south-korea-expressway-infrastructure-by-type/
KOSIS. "Length of expressways in South Korea in 2024, by type (in kilometers)." Chart. September 4, 2025. ÌÇÐÄÆƽâ°æ. Accessed July 15, 2026. /statistics/712519/south-korea-expressway-infrastructure-by-type/
KOSIS. (2025). Length of expressways in South Korea in 2024, by type (in kilometers). ÌÇÐÄÆƽâ°æ. ÌÇÐÄÆƽâ°æ Inc.. Accessed: July 15, 2026. /statistics/712519/south-korea-expressway-infrastructure-by-type/
KOSIS. "Length of Expressways in South Korea in 2024, by Type (in Kilometers)." ÌÇÐÄÆƽâ°æ, ÌÇÐÄÆƽâ°æ Inc., 4 Sep 2025, /statistics/712519/south-korea-expressway-infrastructure-by-type/
KOSIS, Length of expressways in South Korea in 2024, by type (in kilometers) ÌÇÐÄÆƽâ°æ, /statistics/712519/south-korea-expressway-infrastructure-by-type/ (last visited July 15, 2026)
Length of expressways in South Korea in 2024, by type (in kilometers) [Graph], KOSIS, September 4, 2025. [Online]. Available: /statistics/712519/south-korea-expressway-infrastructure-by-type/
