Gallen, and Romanshorn–Toggenburg lines of Swiss Federal Railways and the 1,000 mm (3 ft 3+3⁄8 in) gauge Appenzell–St.

[1] Opened in 1856 and completely rebuilt at the outset of the 20th century, the station is owned and operated by Swiss Federal Railways (SBB CFF FFS), and is the focal point of the St. Gallen S-Bahn.

It also serves as a central station to the Appenzell Railways (AB) and many city and urban bus connections in front of the main building.

Appenzell Railways serves tracks 11 and 12 at a pair of side platforms in the station forecourt.

[6] As of the December 2023 timetable change,[update] the following rail services stop at St. Gallen:[7]