 The Keiō Line parallels the outside of the New Line on an elevated viaduct over Prefectural Route 420 (Nakano Dori) until Sasazuka Station.Although there are four types of trains that travel along the Keio New Line segment (local, rapid, semi express, and express), all trains within the Keio New Line stop at every station.The Keio New Line began operation on October 30, 1978.