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Most Important Structures in this Category

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# Name Country tunnel length
1 Gotthard Base Tunnel Switzerland 57091 m
2 Channel Tunnel United Kingdom 50450 m
3 Guadarrama Tunnel Spain 28418.6600 m
4 Hakkōda Tunnel Japan 26445 m
5 Iwate-ichinohe Tunnel Japan 25810 m
6 Iiyama Tunnel Japan 22225 m
7 Dai-shimizu Tunnel Japan 22221 m
8 Vaglia Tunnel Italy 18713 m
9 Shin-kanmon Tunnel Japan 18713 m
10 Firenzuola Tunnel Italy 15285 m

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Italy (2006), added on 16/04/2019

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