
All recordsArchitecture, Transport & Construction
No. 00321
World's First and Only Underwater Roundabout
- Holder
- Eysturoyartunnilin (Eysturoy Tunnel)
- Country
- Faroe Islands
- Date
- 2020
- Location
- Faroe Islands
- Certificate
- GBR-C-2026-0000313
About this record
The Eysturoy Tunnel in the Faroe Islands contains the world's first and only underwater roundabout, approximately 72 metres below sea level within an 11.2 km subsea tunnel system connecting three routes, recognized by GBR as an outstanding engineering achievement.


