UP 7058 (GE AC44ACM) leads a fast freight towards Fort Lupton, Colorado as it heads south on the Greeley Sub.

UP 7058 (GE AC44ACM) runs south on the Greeley Sub through Fort Lupton, Colorado.

UP 7792 (ES44AC) runs through Fort Lupton, Colorado as it heads south on the Greeley Sub.

UP 8930 (SD70ACe) leads a freight past the signal poles lining the Greeley Sub at Fort Morgan, Colorado.

UP 8117 (ES44AC) leads a freight towards Fort Lupton on the Greeley Sub.

UP 4363 (SD70M) leads a freight south on the Greeley Sub an and heads towards Fort Lupton, Colorado.

UP 4363 (SD70M) leads a freight towards Fort Lupton, Colorado on the Greeley Sub.

UP 4363 (SD70M) runs a small freight towards Fort Lupton on the Greeley Sub.

UP 8411 (SD70AH) brings a coal train southbound on the Greeley Sub as it approaches Fort Lupton, Colorado.

UP 9033 (SD70AH) leads a fast freight through Fort Lupton on the Greeley Sub as it heads to Denver, Colorado.

UP 9033 (SD70AH) leads a fast freight through Fort Lupton, Colorado as it runs south on the Greeley Sub.

UP 9033 (SD70AH) high balls a freight south on the Greeley Sub as it heads towards Denver, Colorado.

UP 9033 (SD70AH) leads a train southbound on the Greeley Sub towards Fort Lupton, Colorado.

Under threatening skies late in the day, UP 4014 leads a short test train at Fort Lupton, CO, on the UP Greeley Sub, July 8, 2021.

The Union Pacific ran its Big Boy engine from Cheyenne to Denver to test how the work done over the pandemic year held up. It was great to see Ed back at the controls and the big beauty running a... (more)