How much did City Circle Line cost to build?
The Cityringen, or City Circle Line, is the fully automated, 15.5 km, 17-station circular M3 line of the Copenhagen Metro, whose plans were approved by the Danish Parliament on 1 June 2007, opened on 29 September 2019 and is run by Metroselskabet. In a press release of 5 February 2026 on an arbitration ruling the company said the total construction cost for the M3 Cityringen was 25.3 billion Danish kroner in 2019 prices.
Final project cost
DKK 25.3 billion
Approximately $3.79 billion
Cost basis: 2019
News OresundCC BY 2.0
Cost evidence
Basis of the published figure
Final project cost2019
Project metrics
Key dimensions
- Total lengthmetroselskabet.dk
- 15.5 km
Project record
Opened or launched
metroselskabet.dk29 September 2019