F is the service designation for trains on the ring line

Ringbanen

Ringbanen is an S-train line in Copenhagen. It runs roughly semicircularly around the central part of Copenhagen and connects the S-train radials about 5 km out....

 of Copenhagen

Copenhagen

Copenhagen is the capital and largest city of Denmark, with an urban population of 1,199,224 and a metropolitan population of 1,930,260 . With the completion of the transnational Øresund Bridge in 2000, Copenhagen has become the centre of the increasingly integrating Øresund Region...

's S-train

S-Train

The S-train network is a combined urban rapid transit and suburban rail network of Metropolitan Copenhagen, Denmark. It connects the city center with the inner suburbs of Copenhagen, and has close to half of the stations within the urban city. The first line was opened in 1934...

 network. It runs from about 05:00 to 01:00 from Ny Ellebjerg

Ny Ellebjerg station

Ny Ellebjerg station is a station on the S-train network in Copenhagen, Denmark. It serves as an interchange station between the Køge radial and the ring line....

 to Hellerup

Hellerup Station

Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line....

. Trains run every 5 minutes between about 7:00 and 19:00 on Monday to Friday, and every 10 minutes in weekends, early morning and late evening/night.

Stations

• Ny Ellebjerg
  Ny Ellebjerg station
  Ny Ellebjerg station is a station on the S-train network in Copenhagen, Denmark. It serves as an interchange station between the Køge radial and the ring line....
  
  
• Vigerslev Allé
  Vigerslev Allé station
  Vigerslev Allé station is an S-train station in Copenhagen, Denmark servicing the ring line....
  
  
• Danshøj
  Danshøj station
  Danshøj station is an S-train station on Vestbanen and Ringbanen in Copenhagen, Denmark. Opened on 8 January 2005, it serves mainly as an interchange station between B and F....
  
  
• Ålholm
  Ålholm station
  Ålholm station is an S-train station in Copenhagen, Denmark serviced by the ring line....
  
  
• KB Hallen
  KB Hallen station
  KB Hallen station is an S-train station in Copenhagen, Denmark serviced by the ring line....
  
  
• Flintholm
  Flintholm station
  Flintholm Station is an important S-train and Metro interchange station in Copenhagen, Denmark. Opened on 24 January 2004, it is located in the west of Copenhagen where the Frederikssund S-train Line crosses the S-train Ring Line. It is located in fare zone 2....
  
  
• Grøndal
  Grøndal station
  Grøndal station is an S-train station in Copenhagen, Denmark served by the ring line....
  
  
• Fuglebakken
  Fuglebakken station
  Fuglebakken station is an S-train station in Copenhagen, Denmark. It is served by the ring line....
  
  
• Nørrebro
  Nørrebro station
  Nørrebro station is a station on the S-train’s Ring line in Copenhagen, Denmark. It serves the outer end of the Nørrebro district. The planned City Circle Line would see underground trains of the Copenhagen Metro begin serving the station as well....
  
  
• Bispebjerg
  Bispebjerg station
  Bispebjerg station is a station on the S-train ring line in Copenhagen, Denmark. Located on the boundary between the Nørrebro and Bispebjerg district, it serves parts of each....
  
  
• Ryparken
  Ryparken station
  Ryparken station is an S-train station in Copenhagen, Denmark. It serves as an interchange station between the Ring line and Farum radial. It is serviced by the A, F, and H. The station was originally named Lyngbyvej Station it was renamed in 1972 to Ryparken Station....
  
  
• Hellerup
  Hellerup Station
  Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line....
  
  

History

See Ringbanen

Ringbanen

Ringbanen is an S-train line in Copenhagen. It runs roughly semicircularly around the central part of Copenhagen and connects the S-train radials about 5 km out....

 for a fuller history.

Name	Southern end	Years	Northern end
1c	Ringbanen Ringbanen Ringbanen is an S-train line in Copenhagen. It runs roughly semicircularly around the central part of Copenhagen and connects the S-train radials about 5 km out.... : to Frederiksberg Frederiksberg station Frederiksberg Station is a rapid transit station opened in 2003 on the Copenhagen Metro in Frederiksberg, Denmark. It serves the M1 and M2 lines and connects with bus services. It is located in fare zones 1 and 2...	1934–1950	Klampenborgbanen Klampenborgbanen Klampenborgbanen is the shortest of six radial S-train lines in Copenhagen. It runs parallel to the Kystbanen regional line from central Copenhagen until Klampenborg, and serves residential neighbourhoods in eastern Gentofte as well as popular recreational destinations at Klampenborg such as... : to Hellerup Hellerup Station Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line.... ; often extended to Klampenborg Klampenborg Station Klampenborg Station is an S-train station in Copenhagen, Denmark. It is the terminus of the Klampenborg radial. It also serves Kystbanen between Helsingør and Malmö...
F		1950–1989
		1989–1998	terminated at Hellerup Hellerup Station Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line....
	to Solbjerg Fasanvej station Fasanvej Station is a rapid transit station on the Copenhagen Metro in Frederiksberg, Denmark. It was known as Solbjerg Station until 25 September 2006. The station opened 12 October 2003, and serves the M1 and M2 lines...  (later renamed Fasanvej )	1998–1999	to Klampenborg Klampenborg Station Klampenborg Station is an S-train station in Copenhagen, Denmark. It is the terminus of the Klampenborg radial. It also serves Kystbanen between Helsingør and Malmö...  in day hours
	to Vanløse Vanløse station Vanløse Station is an S-train and Copenhagen Metro station in the Vanløse district of Copenhagen, Denmark. The metro station at street level is the eastern terminus of lines M1 and M2. S-trains on the Frederikssund radial stop at an upper level to the south of the Metro station...	2000–2001
	to C.F. Richsvej (temporary station)	2002–2003	terminates at Hellerup Hellerup Station Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line....
	to Flintholm Flintholm station Flintholm Station is an important S-train and Metro interchange station in Copenhagen, Denmark. Opened on 24 January 2004, it is located in the west of Copenhagen where the Frederikssund S-train Line crosses the S-train Ring Line. It is located in fare zone 2....	2004
	to Gammel Køge Landevej (temporary station)	2005–2006
	to Ny Ellebjerg Ny Ellebjerg station Ny Ellebjerg station is a station on the S-train network in Copenhagen, Denmark. It serves as an interchange station between the Køge radial and the ring line....	2007-

Fx, M, F+

The ring line also has a history of supplementary services with other designations than F. At some times the variant service letters have been used to indicate which trains continued from Hellerup to Klampenborg

Klampenborg Station

Klampenborg Station is an S-train station in Copenhagen, Denmark. It is the terminus of the Klampenborg radial. It also serves Kystbanen between Helsingør and Malmö...

. In other periods it has simply been because then-prevalent principles mandated that a single service letter such as F could not be used for more than exactly 3 trains an hour, so in parts of the day when more trains ran, extra services had to be invented.

Name	Southern end	Years	Northern end
Fx	Ringbanen Ringbanen Ringbanen is an S-train line in Copenhagen. It runs roughly semicircularly around the central part of Copenhagen and connects the S-train radials about 5 km out.... : to Frederiksberg Frederiksberg station Frederiksberg Station is a rapid transit station opened in 2003 on the Copenhagen Metro in Frederiksberg, Denmark. It serves the M1 and M2 lines and connects with bus services. It is located in fare zones 1 and 2...  in rush hours	1972–1979	terminated at Hellerup Hellerup Station Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line....
no supplement 1979–1989
M	Ringbanen Ringbanen Ringbanen is an S-train line in Copenhagen. It runs roughly semicircularly around the central part of Copenhagen and connects the S-train radials about 5 km out.... : to Frederiksberg Frederiksberg station Frederiksberg Station is a rapid transit station opened in 2003 on the Copenhagen Metro in Frederiksberg, Denmark. It serves the M1 and M2 lines and connects with bus services. It is located in fare zones 1 and 2...	1989–1998	terminated at Hellerup Hellerup Station Hellerup Station is a railway station in Copenhagen, Denmark, serviced by S-trains on the B, C, E, and F services, and by Kystbanen regional trains. The station was designed by V.C.H. Wolf and opened on 22 July 1863, simultaneous with the start of service on the Klampenborg line....
	to Solbjerg Fasanvej station Fasanvej Station is a rapid transit station on the Copenhagen Metro in Frederiksberg, Denmark. It was known as Solbjerg Station until 25 September 2006. The station opened 12 October 2003, and serves the M1 and M2 lines...  (later renamed Fasanvej)	1998–1999
	to Vanløse Vanløse station Vanløse Station is an S-train and Copenhagen Metro station in the Vanløse district of Copenhagen, Denmark. The metro station at street level is the eastern terminus of lines M1 and M2. S-trains on the Frederikssund radial stop at an upper level to the south of the Metro station...	2000–2001
F+	to C.F. Richsvej (temporary station)	2002–2003	Klampenborgbanen Klampenborgbanen Klampenborgbanen is the shortest of six radial S-train lines in Copenhagen. It runs parallel to the Kystbanen regional line from central Copenhagen until Klampenborg, and serves residential neighbourhoods in eastern Gentofte as well as popular recreational destinations at Klampenborg such as... : to Klampenborg Klampenborg Station Klampenborg Station is an S-train station in Copenhagen, Denmark. It is the terminus of the Klampenborg radial. It also serves Kystbanen between Helsingør and Malmö...  in day hours
	to Flintholm Flintholm station Flintholm Station is an important S-train and Metro interchange station in Copenhagen, Denmark. Opened on 24 January 2004, it is located in the west of Copenhagen where the Frederikssund S-train Line crosses the S-train Ring Line. It is located in fare zone 2....	2004
	to Gammel Køge Landevej (temporary station), all week/all day	2005	to Klampenborg Klampenborg Station Klampenborg Station is an S-train station in Copenhagen, Denmark. It is the terminus of the Klampenborg radial. It also serves Kystbanen between Helsingør and Malmö...  daytime Sat-Sun
		2006	to Klampenborg Klampenborg Station Klampenborg Station is an S-train station in Copenhagen, Denmark. It is the terminus of the Klampenborg radial. It also serves Kystbanen between Helsingør and Malmö...  in daytime all week
	to Ny Ellebjerg Ny Ellebjerg station Ny Ellebjerg station is a station on the S-train network in Copenhagen, Denmark. It serves as an interchange station between the Køge radial and the ring line....	2007
Joined into F from September 2007