- you - board , ▁it ▁does ▁not ▁matter ▁whether ▁far es ▁are ▁dedu cted ▁at ▁the ▁Viv ast ation ▁v ending ▁machine ▁or ▁on ▁board ▁a ▁Z ü m ▁bus , ▁except ▁in ▁the ▁case ▁of ▁Br am pton ▁Trans it ▁period ▁pass ▁hold ers . ▁ ▁Effect ive ▁August ▁ 2 6 , ▁ 2 0 1 9 , ▁the ▁Pr esto ▁card ▁can ▁be ▁used ▁to ▁pay ▁a ▁Y RT ▁fare ▁on ▁T TC ▁bus ▁routes ▁that ▁travel ▁in ▁York ▁Region ▁( n orth ▁of ▁Ste eles ▁Avenue ), ▁but ▁limited - use ▁T TC ▁Pr esto ▁tick ets ▁are ▁not ▁accepted . ▁ ▁Inter - ag ency ▁trans fers ▁Local ▁trans it ▁systems ▁( except ▁for ▁the ▁T TC ▁and ▁O C ▁Trans po ) ▁within ▁the ▁Pr esto ▁card ' s ▁service ▁area ▁have ▁always ▁hon oured ▁trans fers ▁from ▁neighbour ing ▁trans it ▁systems , ▁and ▁transfer ring ▁between ▁neighbour ing ▁trans it ▁systems ▁continues ▁to ▁be ▁hon oured ▁with ▁the ▁Pr esto ▁Card ▁where ▁they ▁were ▁hon oured ▁with ▁traditional ▁fare ▁media . ▁ ▁On ▁most ▁trans it ▁ag encies , ▁paper ▁trans fers ▁are ▁not ▁required ▁for ▁Pr esto ▁card ▁users ▁since ▁the ▁card ▁itself ▁acts ▁as ▁proof - of - payment ▁( P OP ) ▁which ▁can ▁also ▁be ▁used ▁to ▁transfer ▁from ▁vehicle ▁to ▁vehicle ▁or ▁vehicle ▁to ▁station ▁( and ▁vice ▁vers a ) ▁and / or ▁to ▁show ▁enfor cement ▁officers ▁on ▁designated ▁P OP ▁routes ▁on ▁which ▁they ▁carry ▁hand