124 cars of coal are being pulled by a warn out CSX AC4400CW locomotive as it battles the grade between Castle Rock and Larkspur.
CSXT 531 leads a Donnie, TX coal train as it prepares to start the hard climb out of Denver towards the top of Palmer Lake at 7,200' above sea level.
Still sporting CSX's YN2 paint scheme, CSXT 531 leads a Donnie, TX coal over Colorado's Joint as it passes through Greenland.