Innsbruck Italy and Munich, Germany. The A12 and A13 converge near Innsbruck, at which point the A13 terminates. Innsbruck Hauptbahnhof, the most important railway station of Innsbruck and Tyrol, is one of the busiest railway stations in Austria. It is served by the Lower Inn Valley line to Germany and eastern Austria, the Arlberg line to the west and the Brenner line, which connects northern Italy with southern Germany via the Brenner pass. Since December 2007 suburban services have been operated as the Innsbruck S-Bahn. Innsbruck Airport is located in the suburb of Kranebitten, which is located in the west of
Brenner Railway (Italian for "Upper (Northern) Italian Railways", SFAI) in 1866. In the 1885 reorganisation it was absorbed by the Società per le Strade Ferrate Meridionali ("Adriatic Network"). The line came under the control of Ferrovie dello Stato upon its establishment in 1905. In 1919, Italy acquired Trentino-South Tyrol under the Treaty of Saint-Germain-en-Laye and the Austro-Italian border moved to Brenner. The section from Trento/Trient to Brenner was subsequently electrified at 3,700 V at three-phase 16.7 Hz between 1929 and 1934. Electrification was converted to 3,000 V DC on 30 May 1965. In preparation for the proposed Brenner Base Tunnel, the Innsbruck