Sakamachi Station is served by the Uetsu Main Line, and is 48.0 kilometers from the starting point of the line at Niitsu Station. It is also a terminus for the 90.7 kilometer Yonesaka Line. Services on the Yonesaka Line between here and Imaizumi station have been suspended since summer 2022 due to rainstorm damage. A replacement bus service is currently in operation.
Sakamachi Station opened on 1 November 1914. A new station building was completed in 1963. With the privatization of Japanese National Railways (JNR) on 1 April 1987, the station came under the control of JR East.
Passenger statistics
In fiscal 2017, the station was used by an average of 717 passengers daily (boarding passengers only).[1]