 At other times, power to the overhead lines in this area is switched off; the status of the overhead lines is displayed to the trolleybus drivers by means of a signal light.On 1 October 2005, line 1 was extended from Europark to Kavaliershaus, via the EM-Stadion.On 11 December 2005, the extension of line 2 came into operation from the Hauptbahnhof to Obergnigl via Mirabellplatz and the Sterneckstraße.