▁efficiency ▁in ▁the ▁city , ▁São ▁Paulo ▁implemented ▁in ▁ 2 0 0 7 ▁a ▁bus ▁rapid ▁trans it ▁system ▁called ▁the ▁Express o ▁Tir ad entes . ▁There ▁is ▁also ▁a ▁ ▁long ▁system ▁of ▁reserved ▁bus ▁lan es , ▁which ▁are ▁placed ▁on ▁large ▁a ven ues ▁and ▁connected ▁with ▁the ▁sub way ▁or ▁sub urban ▁railway ▁stations . ▁ ▁Rail ▁transport ▁ ▁With ▁ 1 3 ▁lines , ▁ 1 8 3 ▁stations ▁and ▁a ▁total ▁length ▁of ▁ ▁( of ▁which ▁about ▁ ▁is ▁within ▁the ▁Sa o ▁Paulo ▁municipal ▁boundaries ), ▁the ▁Sa o ▁Paulo ▁Metropolitan ▁Rail ▁Transport ▁Network ▁is ▁the ▁largest ▁urban ▁rail ▁system ▁in ▁Latin ▁America . ▁ ▁The ▁network ▁trans ports ▁about ▁ 8 , 3 ▁million ▁people ▁daily ▁and ▁it ▁is ▁operated ▁by ▁four ▁different ▁companies . ▁Two ▁are ▁state - owned : ▁São ▁Paulo ▁Metro ▁and ▁the ▁Comp anh ia ▁Paul ista ▁de ▁Tr ens ▁Metropolitan os ▁( CP TM ). ▁The ▁other ▁two ▁are ▁private : ▁Via Qu atro , ▁which ▁oper ates ▁Line ▁ 4 ▁- ▁Y ellow ▁; ▁and ▁Via M obil idade , ▁which ▁oper ates ▁Line ▁ 5 ▁- ▁Lil ac ▁and ▁the ▁future ▁Line ▁ 1 7 ▁- ▁Gold . ▁ ▁Con ne ctions ▁between ▁the ▁lines ▁operated ▁by ▁different ▁companies ▁are ▁usually ▁free , ▁with ▁the ▁only ▁two ▁exceptions ▁being ▁T atu ap é ▁and ▁Cor inth ians - I ta qu era ▁stations , ▁where ▁connections ▁are ▁paid ▁during ▁r ush - h ours ▁and