▁between ▁vehicles , ▁but ▁they ▁are ▁not ▁true ▁port able ▁devices — they ▁must ▁be ▁assigned ▁to ▁one ▁vehicle ▁only ▁and , ▁if ▁moved ▁to ▁a ▁different ▁vehicle , ▁require ▁re - reg istration ▁on ▁the ▁T oll Tag ▁account . ▁ ▁Inter oper ability ▁▁ 2 0 0 3 ▁- ▁Texas ▁Department ▁of ▁Transport ation ▁( T x Tag ), ▁Harris ▁County ▁T oll ▁Road ▁Author ity ▁and ▁Fort ▁B end ▁County ▁T oll ▁Road ▁Author ity ▁( E Z ▁Tag ). ▁ ▁August ▁ 1 0 , ▁ 2 0 1 4 ▁- ▁Oklahoma ▁Turn pi ke ▁Author ity ▁( P ike ▁Pass ). ▁ ▁May ▁ 1 7 , ▁ 2 0 1 7 ▁- ▁Kansas ▁Turn pi ke ▁Author ity ▁( K - TAG ). ▁ ▁Possible ▁future ▁systems ▁inter oper ability : ▁( P each ▁Pass ) ▁in ▁Georgia , ▁( NC ▁Quick ▁Pass ) ▁in ▁North ▁Carolina , ▁( Pal met to ▁Pass ) ▁in ▁South ▁Carolina ,( S un Pass ) ▁in ▁Florida . ▁. ▁ ▁See ▁also ▁▁▁ ▁E Z ▁T AG ▁ ▁E - Z Pass ▁used ▁in ▁ 1 4 ▁states , ▁mostly ▁in ▁the ▁East , ▁as ▁well ▁as ▁in ▁Ontario ▁ ▁Fast rak ▁used ▁in ▁California ▁ ▁Ge aux Pass ▁used ▁in ▁Louisiana ▁ ▁I - Pass ▁used ▁in ▁Illinois ▁ ▁K - Tag ▁used ▁in ▁Kansas ▁ ▁National Pass ▁provides ▁inter oper ability ▁with ▁Trans Core ▁systems ▁outside ▁of ▁Texas ▁ ▁Pe ach ▁Pass ▁used ▁in ▁Georgia ▁ ▁Pi ke