District North (MD-N)North Central Service (NCS)Union Pacific North (UP-N)Union Pacific Northwest (UP-NW)South / SouthwestSouth / SouthwestHeritage Corridor (HC)SouthWest Service (SWS)Metra Electric (ME)Rock Island (RI)WestWestBNSF (BNSF)Milwaukee District West (MD-W)Union Pacific West (UP...