UP 7045 (C44ACM) leads a freight through Platteville, Colorado as it heads south on the Greeley Sub.

UP 2537 (ES44AC) leads a power move south on the Greeley Sub through Plattville, Colorado.

UP 8006 (ES44AC) leads a power heavy train south on the Greeley Sub through Platteville, Colorado.

Old signal poles still line the tracks as UP 4363 (SD70M) brings a freight into Platteville, Colorado.

UP 4363 (SD70M) works the siding in Platteville, Colorado on the Greeley Sub.

UP 4922 (SD70M) leads a quartet of engines, including a BNSF motor, at Platteville, where it will pick up additional cars and then head further south on the Greeley Sub.

UP 7290 (AC4400CW) runs through Platteville, Colorado as it heads towards Denver on the Greeley Sub.

UP 7290 (AC4400CW) leads a stack train through Platteville, Colorado on the Greeley Sub.

UP 7290 (AC4400CW) looks fresh after a recent refurbishment.

A minty fresh looking UP 7290 (AC4400CW) leads a southbound freight on the Greeley Sub at Platteville, Colorado.

UP's Big Boy steam locomotive #4014 leads a nine passenger special from Denver, CO back to the Big Boy's home of Cheyenne, WY as it passes through Platteville.

UP 3778 (SD70M) leads the LaSalle Local south on the Greeley Sub, passing a northbound freight at Platteville, Colorado.

UP 8213 (Es44AC) holds down a coal train as it waits for a signal to shove the train north on the Greeley Sub towards LaSalle, Colorado.

UP 9033 (SD70AH) hiballs a freight south on the Greeley Sub towards Denver, Colorado.

UP 4900 (SD70M) takes a short freight south on the Greeley Sub.