10 Amazing Underwater Tunnels

Seikan Tunnel Length: 53.9 kms Country: Japan Transport: Rail

Photographs: Alljal/Wikimedia Commons

Channel Tunnel Length: 50.5 kms Country: UK and France Transport: Rail

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Chesapeake Bay Bridge Tunnel Length: 23 miles (about 37 kms) Country: US Transport: Road

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Tokyo Bay Aqua-Line Length: 9.6 km Country: Japan Transport: Road

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Busan-Geoje Fixed Link Length: 8.2 kms Country: South Korea Transport: Road

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Bomlafjord Tunnel Length: 7.8 km Country: Norway Transport: Road

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Eiksund Tunnel Length: 7.7 km Country: Norway Transport: Road

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North Cape Tunnel Length: 6.8 km Country: Norway Transport: Road

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Transbay Tube Length: 5.8 kms Country: US Transport: Rail

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Severn Tunnel Length: 3.62 kms Country: UK Transport: Railway

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