Sole survivor. There is presently only operational one wig-wag signal on a main line railroad in the United States of America, and it is a Union Switch and Signal manufactured Magnetic Flagman upper-quadrant located at FRA crossing 003299G at County Road 88 in Delhi, Colorado on the BNSF Raton Subdivision. The Amtrak Southwest Chief (Train 3, AMTK 5 P42DC leading) passes on the morning of Wednesday, September 2, 2020.
