How much did Norway's Follo Line cost?
The Follo Line is a high-speed railway between Oslo and Ski. Most of its 22-kilometre route runs through the twin-bore Blix Tunnel, creating a faster corridor alongside Norway's older Østfold Line.
Final project cost
NOK 36.8 billion
Approximately $3.83 billion
Cost basis: 2022
The short answer
NOK 36.8 billion
Bane NOR reported a final project cost of NOK 36.8 billion when the Follo Line was completed. At the recorded 2022 annual-average exchange rate, that is approximately $3.83 billion.
Cost evidence
Basis of the published figure
What the number includes
Cost scope
The reported project figure covers the Follo Line programme, including the new double-track connection and related works. It is a final completion figure, not the lower forecast published earlier in the project.
Project metrics
Key dimensions
- Total lengthRailway Gazette International
- 20.6 km
Project record
Timeline
Project context
About Follo Line
The line opened in 2022 and cut the scheduled journey between Oslo and Ski roughly in half. Early technical problems interrupted service after opening, illustrating that completion cost and operational reliability are separate questions.
Reading the data
How to interpret the figure
Clueterra converts NOK 36.8 billion using the 2022 annual-average rate of 9.6105 Norwegian kroner per US dollar. The dollar amount is for cross-project gameplay and is not adjusted for later inflation.