▁Melbourne ' s ▁tram ▁network ▁is ▁the ▁largest ▁in ▁the ▁world . ▁ ▁In ▁ 2 0 1 5 / 1 6 , ▁ 2 0 3 . 8 ▁million ▁jour ne ys ▁were ▁taken ▁on ▁Melbourne ' s ▁tr ams , ▁with ▁tr ams ▁travel ing ▁more ▁than ▁ 2 4 . 8 ▁million ▁kilometres ▁ann ually . ▁Each ▁week ▁Y ar ra ▁Tr ams ▁oper ates ▁ 3 1 , 4 0 0 ▁scheduled ▁tram ▁services , ▁which ▁results ▁in ▁tr ams ▁operating ▁for ▁approximately ▁ 2 0 ▁hours ▁per ▁day ▁and ▁a ▁team ▁of ▁ 2 4 - hour ▁operations ▁staff ▁comple ting ▁network ▁maintenance ▁and ▁clean ing . ▁ ▁History ▁ ▁On ▁ 1 ▁October ▁ 1 9 9 7 ▁in ▁prepar ation ▁for ▁priv at isation , ▁the ▁Public ▁Transport ▁Corporation ' s ▁tram ▁operations ▁were ▁split ▁into ▁two ▁business ▁units , ▁Sw an ston ▁Tr ams ▁and ▁Y ar ra ▁Tr ams . ▁ ▁Trans dev TS L ▁Metro Link ▁Victoria ▁P ty ▁Ltd , ▁a ▁joint ▁vent ure ▁between ▁Trans field ▁Services ▁( 5 0 % ), ▁Trans dev ▁( 3 0 %) ▁and ▁Eg is ▁( 2 0 % ), ▁successfully ▁bid ▁to ▁take ▁over ▁the ▁Y ar ra ▁Tr ams ▁services ▁from ▁ 2 9 ▁August ▁ 1 9 9 9 . ▁Trans dev ▁bought ▁out ▁Eg is ' ▁share ▁in ▁ 2 0 0 0 . ▁Metro Link ▁Victoria ▁became ▁part ▁of ▁Trans dev TS L ▁in ▁ 2 0 0 7 .