B (S-train)
B is a service on the S-train network in Copenhagen. It runs between Farum and Høje Taastrup and provides stopping services on the S-train system's Farum radia and Tåstrup radial.
B is one of the base services on the network, running every 20 minutes from about 5:00 to 1:00 every day, and every 10 minutes between about 6:00 to 19:00 on weekdays. On Friday and Saturday nights there is also a 30 minutes service throughout the night.
History
Since the first part of the Taastrup radial opened in 1953, letter B has been used for its principal service. Before that the characteristic of service B was that it was the stopping trains to Holte.| Name | Southern end | Years | Northern end |
| 1b | terminated at København H | 1936–1940 | Nordbanen: all stops to Holte |
| 1b | Frederikssundbanen: all stops to Valby | 1940–1941 | Nordbanen: all stops to Holte |
| 1b | all stops to Vanløse | 1941–1949 | Nordbanen: all stops to Holte |
| 1b | all stops to Ballerup | 1949–1950 | Nordbanen: all stops to Holte |
| B | terminated at København H | 1950–1953 | Nordbanen: all stops to Holte |
| B | Vestbanen: all stops to Glostrup | 1953–1963 | Nordbanen: all stops to Holte |
| B | all stops to Taastrup | 1963–1979 | Nordbanen: all stops to Holte |
| B | all stops to Taastrup | 1979–1986 | Hareskovbanen: all stops to Farum |
| B | all stops to Høje Taastrup | 1986–1989 | Hareskovbanen: all stops to Farum |
| B | all stops to Høje Taastrup | 1989– | Nordbanen: all stops to Holte |