▁C B T U , ▁( R io ▁de ▁Janeiro ) ▁( 1 9 8 4 - 1 9 9 8 ). ▁Super via , ▁( R io ▁de ▁Janeiro ) ▁( 1 9 9 8 – Pres ent ). ▁Kansas ▁City ▁Southern ▁Railway ▁Korean ▁National ▁Rail road ▁Nor folk ▁Southern ▁Railway ▁Pro R ail , ▁operator ▁of ▁the ▁railway ▁infrastr ucture ▁in ▁The ▁Netherlands ▁Union ▁Pacific ▁Rail road ▁Rail Cor p ▁( R ail ▁Corporation ▁New ▁South ▁Wales ) ▁and ▁its ▁prede cess ors ▁Trans it ▁Bay ▁Area ▁Rap id ▁Trans it ▁Chicago ▁Trans it ▁Author ity ▁Geme ent elijk ▁Ver vo er bed rij f , ▁the ▁municipal ▁transport ▁company ▁in ▁Amsterdam ▁Massachusetts ▁Bay ▁Transport ation ▁Author ity ▁Metropolitan ▁Atlanta ▁Rap id ▁Trans it ▁Author ity ▁Ni ag ara ▁Front ier ▁Transport ation ▁Author ity ▁N J ▁Trans it ▁New ▁York ▁City ▁Trans it ▁Author ity ▁S out he astern ▁Pennsylvania ▁Transport ation ▁Author ity ▁Toronto ▁Trans it ▁Commission ▁Washington ▁Metropolitan ▁Area ▁Trans it ▁Author ity ▁ ▁Major ▁accomplish ments ▁ ▁First ▁Central ized ▁traffic ▁control ▁( c T c ) ▁machine , ▁ 1 9 2 7 . ▁ ▁" N X " ▁( e N tr ance - e X it ) ▁systems ▁( rel ay - based ▁c T c ), ▁ 1 9 3 7 . ▁ ▁First ▁fully ▁autom ated ▁fre ight ▁yard , ▁ 1 9 5 5 . ▁ ▁Computer - based ▁central ▁control ▁office , ▁ 1 9 6 8 . ▁ ▁First