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Most Important Structures in this Category

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# Name Country length
1 Gotthard Base Tunnel Switzerland 57091 m
2 Seikan Tunnel Japan 53850 m
3 Channel Tunnel France 50450 m
4 Lötschberg Base Tunnel Switzerland 34576.6016 m
5 Guadarrama Tunnel Spain 28418.6600 m
6 Taihang Tunnel China 27848 m
7 Hakkōda Tunnel Japan 26445 m
8 Iwate-ichinohe Tunnel Japan 25810 m
9 Iiyama Tunnel Japan 22225 m
10 Dai-shimizu Tunnel Japan 22221 m

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Italy (1890), added on 10/12/2024

Spain (1957), added on 25/11/2024

Spain (1957), added on 25/11/2024

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Italy (2025), modified on 12/12/2024

USA (1990), modified on 09/12/2024

USA (1905), modified on 09/12/2024

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Italy (2025)
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USA (1905)
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USA (1990)
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