When did the Copenhagen Metro open?
From 2002 to four lines
Short answer
The Copenhagen Metro opened in 2002. Cityringen, line M3, opened on 29 September 2019, and the M4 to Nordhavn opened on 28 March 2020. The M4 extension to Sydhavn and Valby opened in 2024, on time and on budget. Since 2002 the metro has carried more than 1 billion passengers, and in 2025 it had about 135 million trips, a record for the third year in a row.
Why
- First metro trains: 2002.
- Cityringen: 2019.
- Latest extension: M4 to Sydhavn in 2024.
Details
The next new metro line, M5, is planned to open its first part in 2036.
Tip
Plan trips that combine the older M1/M2 and the newer M3/M4 in Rejseplanen, which shows where to change.
What may differ
Opening dates of future lines can move as projects go ahead.
Common misconception
Many think the metro is an old system like those in London or Paris.
What actually happens
The Copenhagen Metro is young: it opened in 2002, and two of its four lines opened after 2019.
People also ask
- When will the M5 metro line open?
- How many people use the Copenhagen Metro?
- Is the Copenhagen Metro driverless?
Sources
- Metroselskabet: About the MetroChecked at:
- Metroselskabet: About the Metro (Danish)Checked at:
- Metroselskabet: Passenger numbers on the MetroChecked at:
This answer is for reference only. Timetables, routes and fares change, so check the operator before you travel.
Copenhagen guideRelated questions
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Who are the Natteravne you see at train stations in Denmark at night?
Natteravne (night ravens) are adult volunteers who walk the streets at night where young people gather, including stations and trains.
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Are there security guards on S-trains in Copenhagen?
Yes, security guards (tryghedsvagter) work on the S-trains in Copenhagen to help passengers feel safe, as of November 2026.
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What do you do if you leave something on a city bus in Denmark?
If you leave something on a bus in Denmark, contact the bus company that runs the route, as of November 2026.
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Is there a companion discount for disabled travellers on Danish buses?
Yes, a person with a disability can travel with a companion at a reduced price on Danish public transport in 2026.