▁G TH A . ▁Two ▁major ▁trans it ▁ag encies , ▁O C ▁Trans po ▁and ▁the ▁T TC , ▁agreed ▁to ▁adopt ▁the ▁fare ▁card ▁system ▁in ▁ 2 0 0 7 ▁and ▁ 2 0 0 9 ▁respectively . ▁The ▁larger ▁anticip ated ▁user base ▁prompt ed ▁the ▁M TO ▁to ▁decide ▁on ▁developing ▁a ▁new ▁system , ▁called ▁Pr esto ▁Next ▁Generation ▁( P NG ). ▁Aud itor ▁General ▁of ▁Ontario ▁critic ized ▁this ▁move , ▁suggesting ▁that ▁the ▁base ▁Pr esto ▁system ▁should ▁have ▁been ▁expanded ▁to ▁accommod ate ▁O C ▁Trans po ▁and ▁the ▁Toronto ▁Trans it ▁Commission . ▁ ▁Th ales ▁Group ▁and ▁Acc ent ure ▁were ▁awarded ▁the ▁contract ▁to ▁supply ▁this ▁system ▁in ▁October ▁ 2 0 0 9 . ▁Im plementation ▁is ▁the ▁responsibility ▁of ▁Met rol inx , ▁of ▁which ▁Pr esto ▁became ▁an ▁operating ▁division ▁in ▁ 2 0 1 1 . ▁ ▁The ▁Pr esto ▁project ▁was ▁strongly ▁critic ized ▁by ▁the ▁Aud itor ▁General ▁of ▁Ontario ▁in ▁ 2 0 1 2 ▁for ▁" roll - out ▁gl itch es , ▁cost ▁es cal ations ▁and ▁un t ender ed ▁contract ▁extensions " ▁and ▁war ned ▁the ▁system ▁could ▁become ▁the ▁world ' s ▁most ▁expensive ▁fare - card ▁implementation ▁project . ▁Instead ▁of ▁putting ▁the ▁development ▁Pr esto ▁Next ▁Generation ▁out ▁to ▁compet itive ▁tender , ▁Met rol inx ▁simply ▁increased ▁the ▁size ▁of ▁the ▁original ▁base ▁contract ▁awarded ▁to ▁Acc ent ure ▁in ▁ 2 0 0 6