The station is one of the western endpoints of the Verkehrsverbund Ost-Region (East Region Transportation Authority).
With only a few exceptions, all long-haul and regional trains run through St. Pölten railway station.
From 1965 to 1969, the western part of the station was renovated and the decorative corner pavilions made functional.
A road tunnel was built on the western side of the complex and the forecourt was redesigned by the city of Sankt Pölten.
The station building was also completely renovated; work that included a replacing the roof and façade and adding a better-lit central hall, an information kiosk and new shops.