Its snowing at Tolland, Colorado as UP 5430 (GE AC4400CW-CTE) leads a coal train towards the east portal of the Moffat Tunnel.

UP 5430 (ES44AC) leads a coal train towards the Moffat Tunnel in an intense snowstorm.

A golden sunrise catches UP 5430 (ES44AC) as it leads a loaded coal train through Little Ten Curve at Rocky, Colorado.

Dawn just starts to break with the Denver Skyline in view as UP 5430 (ES44AC) brings a coal train into the siding at Rocky, Colorado.

UP 5430 comes to a stop at the Kolb OS to wait for a high priority Z train to pass before it continues on into Tucson for a fresh crew

Union Pacific GE ES44AC No. 5430 has just emerged from the paint shop at UP’s Downing B. Jenks Shop at North Little Rock, Arkansas, on May 18, 2015. Sister ES44AC No. 5425 still is in the middle... (more)

The 8th or 9th eastbound of the afternoon. Number of westbounds heading into the afternoon sun? Zero.

2 DPU rear end helpers hold back a Northbound manifest between Caliente and Bealville.

Northbound manifest

California bound mixed manifest decends down grade