|The tram network of Graz consists of 7 routes numbered 1, 3 through 8. The
system is standard gauge and runs on 600 volts. Tram 521 was part of a
second hand purchase of Düwag GT8 cars from Duisburg (1077-1093). The
cars were originally built in 1971 & 1973 and went into service in
Graz between March 1989 & June 1994. They are numbered 521-537.
Graz 521 crossing Bahnhofgürtel with an eastbound number 1 service on Wednesday, October 22nd, 2003.