World's Longest Railway Tunnels: Engineering Marvels Connecting Continents
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News18•16-01-2026, 17:15
World's Longest Railway Tunnels: Engineering Marvels Connecting Continents
- •Switzerland's Gotthard Base Tunnel, at 57.1 km, is the world's longest railway tunnel, significantly speeding up travel beneath the Swiss Alps.
- •Japan's Seikan Tunnel (53.85 km) connects Honshu and Hokkaido islands, with half its length underwater, serving high-speed and regular trains.
- •The Channel Tunnel (50.45 km) links the UK and France beneath the English Channel, facilitating cross-border travel and transport.
- •South Korea's Yulhyeon Tunnel (50.3 km) is a vital part of the Seoul Metro, serving thousands of daily commuters.
- •Other notable long tunnels include Lotschberg Base Tunnel (Switzerland), Songshan Lake Tunnel (China), New Guanjiao Tunnel (China), and Guadarrama Tunnel (Spain).
Why It Matters: These railway tunnels are engineering feats enabling efficient transport through challenging terrains globally.
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