Buramsan Tunnel

The Buramsan Tunnel is a road tunnel started at Byeollae-dong, Namyangju, Gyeonggi Province, South Korea and ended at Sanggye-dong, Nowon-gu, Seoul. The tunnel constitutes the Seoul Ring Expressway. The Suraksan Tunnel lies nearby to the north-westwards of the Bulamsan Tunnel.

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Tunnel data from Wikidata (CC0). Summary from Wikipedia (CC BY-SA).

Other tunnels in South Korea

Delaware Aqueduct United States · 137 km Päijänne Water Tunnel Finland · 120 km Orange–Fish River Tunnel South Africa · 82.8 km Ishikawa Tunnel Japan · 78.5 km Brenner Base Tunnel Austria · 64 km Mont d'Ambin base tunnel France · 57.5 km Gotthard Base Tunnel Switzerland · 57.09 km Hong Kong–Zhuhai–Macau Bridge China · 55 km