Yarra Trams operates 28 major tram routes and 501 vehicles of 6 different classes in Melbourne, Australia which consists of 70 A-class; 132 B-class; 36 three-section C-class, low-floor Citadis; 5 five-section C2-class, low-floor Citadis; 38 three-section and 50 E- class 3 section