Sogn og Fjordane, Norway

The Lærdal Tunnel - the world's longest road tunnel!

The Lærdal Tunnel is a 24.5 kilometer long single-bore road tunnel connecting Lærdal and Aurland in Sogn og Fjordane, on the main road between Bergen and Oslo, approximately 175–200 kilometer north-east of Bergen. It is the longest road tunnel in the world.


Customer: Norwegian Public Roads Administration

Delivery year: 2000

Solutions delivered by Trafsys

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