▁▁ ▁The ▁joint ▁vent ure ▁inherited ▁ 2 3 ▁W , ▁ 3 1 ▁Z 3 , ▁ 2 8 ▁A 1 , ▁ 4 2 ▁A 2 , ▁two ▁B 1 ▁and ▁ 5 5 ▁B 2 ▁class ▁tr ams ▁and ▁took ▁over ▁the ▁operation ▁of ▁ 1 0 ▁routes ▁and ▁four ▁dep ots ; ▁Cam ber well , ▁East ▁Pr eston , ▁K ew ▁and ▁South bank . ▁In ▁March ▁ 2 0 0 0 ▁a ▁new ▁white ▁with ▁green ▁and ▁blue ▁stri pes ▁and ▁grey ▁sk irt ▁li very ▁was ▁introduced . ▁ ▁After ▁National ▁Express ▁( who ▁operated ▁the ▁other ▁half ▁of ▁the ▁network ) ▁handed ▁back ▁its ▁M > Tr am ▁franch ise ▁having ▁been ▁unable ▁to ▁ren eg oti ate ▁financial ▁terms , ▁the ▁State ▁Government ▁tempor arily ▁took ▁it ▁over . ▁In ▁May ▁ 2 0 0 3 ▁the ▁State ▁Government ▁announced ▁it ▁would ▁establish ▁a ▁single ▁company ▁to ▁operate ▁both ▁networks , ▁and ▁was ▁negoti ating ▁with ▁Trans dev TS L ▁to ▁operate ▁this ▁entity . ▁In ▁February ▁ 2 0 0 4 ▁an ▁agreement ▁was ▁reached , ▁and ▁the ▁networks ▁were ▁reun ited ▁on ▁ 1 8 ▁April ▁ 2 0 0 4 ▁under ▁the ▁Y ar ra ▁Tr ams ▁brand . ▁ ▁Ke olis ▁Down er ▁When ▁the ▁franch ise ▁was ▁next ▁tender ed , ▁Trans dev ▁T SL ▁and ▁Ke olis ▁Down er ▁were ▁short list ed ▁to ▁bid . ▁In ▁June ▁ 2 0 0 9 ▁the ▁franch ise ▁was ▁awarded