▁ ▁- ▁New ▁Ham pshire ▁North co ast ▁Corporation ▁ ▁N HR R ▁- ▁New ▁Hope ▁and ▁I vy land ▁Rail road ▁ ▁N H V T ▁- ▁New ▁Ham pshire ▁and ▁Verm ont ▁Rail road ▁ ▁N H V X ▁- ▁National ▁Railway ▁Historical ▁Society ▁( E ast ▁Carolina ▁Chapter ) ▁ ▁N IA J ▁- ▁Ni ag ara ▁J unction ▁Railway ; ▁Con ra il ▁ ▁N I AX ▁- ▁Ni ag ara ▁and ▁Western ▁New ▁York ▁Rail road ▁ ▁N IC D ▁- ▁South ▁Sh ore ▁Line ▁( NI CT D ) ▁ ▁N IC U ▁- ▁N IC ▁Le asing , ▁Inc . ▁ ▁N IC X ▁- ▁N iles ▁C any on ▁Railway ▁ ▁N IF X ▁- ▁G E ▁Rail ▁Services ▁ ▁N I H X ▁- ▁G E ▁Rail ▁Services ▁ ▁N IK X ▁- ▁N IK ▁Non - stock ▁Mark eting ▁Cooper ative ▁ ▁N IM X ▁- ▁Nap or ano ▁( ra il road ▁division ) ▁ ▁N IR X ▁- ▁G E ▁Rail ▁Services ▁ ▁N IT X ▁- ▁N it ram , ▁Inc . ▁ ▁N I W X ▁- ▁Northern ▁Illinois ▁and ▁Wisconsin ▁Railway ▁ ▁N J ▁▁ ▁- ▁Ni ag ara ▁J unction ▁Railway ; ▁Nap ier ville ▁J unction ▁Railway ; ▁Canadian ▁Pacific ▁Railway ; ▁Del aware ▁and ▁Hudson ▁Railway ▁ ▁N J C X ▁- ▁New ▁Jersey ▁Rail ▁Car rier , ▁L LC . ▁ ▁N J D X ▁- ▁G E ▁Rail ▁Services ▁ ▁N J RC