The Österreichische Bundesbahnen network covers Austria nationwide and connects domestic main lines with selected cross-border corridors. The Westbahn runs from Vienna through St. Pölten and Linz to Salzburg, while western routes continue toward Innsbruck, Feldkirch, and Bregenz. The Südbahn links Vienna with Wiener Neustadt, Graz, Klagenfurt, and Villach, including the Semmering corridor. Major hub stations include Wien Hauptbahnhof, Wien Meidling, Linz Hauptbahnhof, Salzburg Hauptbahnhof, Innsbruck Hauptbahnhof, Graz Hauptbahnhof, and Villach Hauptbahnhof. ÖBB train categories on the network include Railjet, EuroCity, InterCity, regional trains, S-Bahn services, and Nightjet overnight trains on selected lines.