Stavanger, Norway

The Ryfylke Tunnel - the world's longest undersea road tunnel!

14,3 kilometer long undersea twin-bore tunnel. Part of the Ryfast project - Norway’s largest road project.

This is the longest, deepest and safest undersea road tunnel in the world, according to the Norwegian Public Roads Administration.

Link to the Norwegian Public Roads Administration's video.


Customer: Roxel Infra

Max depth under sea level: 291 meter

Delivery year: 2019

Solutions delivered by Trafsys

  • Trafvision (Traffic Control & Monitoring system)
  • Local control systems (PLC)
  • Emergency Roadside Telephones (ERT)
  • Video surveillance (CCTV)
  • Radio system
  • Communications networks