Union Pacific's Chicago and NorthWestern (C&NW) heritage unit leads the City of Industry, Calif., to Global 4 (Joliet, Ill.) trackage rights Z-Train (ZCIG4) through the control point of Edelstein on September 6, 2016. The former Santa Fe searchlights here on BNSF's Chillicothe Subdivision are still going strong, but for how long?