Graz Highlands Passail Basin, the adjacent Semriach Basin to the southwest and the Teichalm region to the north. The Graz Highlands are bounded: In the south and southeast the Graz Highlands transition into the East Styrian Hills and Graz Basin. The most important summits are the: Graz Highlands The Graz Highlands or Graz Mountains () are a low mountain range north of the Styrian state capital of Graz in Austria. It is part of the Central Alps and forms the start of the Prealps East of the Mur. From a geological perspective, regions on the west bank of the Mur, which are
Trams in Graz was introduced in 1999 by the fitting of new low-floor centre sections to 12 existing trams. In 2007, Graz ordered 45 Stadler Variobahn trams for delivery between 2009 and 2015. These vehicles proved controversial, with complaints over noise and vibration levels. Initially confined to the north-south axis lines 4 and 5, the trams started operating on the east-west axis in 2013, after modifications and imposition of a speed limit. In 2012, new tram tunnels were built to serve the city's main railway station (Graz Hauptbahnhof), which was previously the terminus of two tram lines and some distance from the main