Union Pacific is the largest railroad in the United States, with over 8,300 locomotives and 31,800 route-miles of track in 23 states.
EMD GP39-2 1202 at J.R. Davis Yard in Roseville, CA, July 24, 2014
EMD GP40-2 1422 approaching Portland (OR) Union Station with the Steel Bridge in the background, August 2, 2007
EMD GP40-2 1422 approaching Portland (OR) Union Station, August 2, 2007
EMD SD9043MAC 8071 at J.R. Davis Yard in Roseville, CA, July 24, 2014
GE ET44AH 2607 near Lordsburg, NM, January 20, 2020
GP60 1910 at J.R. Davis Yard in Roseville, CA, July 24, 2014
SPMW 211 at J.R. Davis Yard in Roseville, CA, July 24, 2014