▁carried ▁out ▁exclus ively ▁by ▁bus es . ▁ ▁In ▁ 1 9 7 7 , ▁Vi ator ▁formed ▁an ▁al liance ▁with ▁the ▁company ▁S AP ▁into ▁SO Z D ▁S AP ▁Vi ator . ▁ ▁Further ▁mer gers ▁and ▁al li ances ▁followed ▁between ▁different ▁transport , ▁tour ism ▁and ▁hotel ▁organizations ▁throughout ▁Sloven ia ▁and ▁also ▁the ▁Vi ator ▁found ▁itself ▁on ▁March ▁ 2 5 , ▁ 1 9 8 1 ▁in ▁the ▁IN TE GR AL ▁SO Z D . ▁In ▁this ▁context ▁today ' s ▁business ' s ▁name ▁occurred , ▁L jub lj ans ki ▁pot ni š ki ▁prom et ▁( LP P ). ▁ ▁In ▁ 1 9 8 9 , ▁the ▁L PP ▁has ▁decided ▁to ▁withdraw ▁from ▁the ▁Integr al , ▁since ▁there ▁were ▁no ▁more ▁development ▁opportun ities ▁for ▁continu ing ▁operations ▁of ▁urban ▁public ▁transport ▁to ▁L jub lj ana , ▁its ▁people ▁and ▁sub ur bs ▁and ▁also ▁its ▁visitors . ▁L PP ▁has ▁become ▁a ▁public ▁company ▁serving ▁residents ▁of ▁the ▁capital ▁and ▁its ▁sub urban ▁municipal ities . ▁ ▁Since ▁ 1 9 9 4 ▁L PP ▁acts ▁as ▁a ▁public , ▁limited ▁li ability ▁company , ▁under ▁the ▁Municip ality ▁of ▁L jub lj ana . ▁ ▁Fle et ▁ ▁As ▁of ▁December ▁ 2 0 1 8 ▁the ▁fleet ▁consisted ▁of ▁ 2 1 3 ▁vehicles , ▁including ▁ 1 4 3 ▁art ic ulated ▁bus es , ▁ 5 4 ▁single ▁bus es ▁and