With only minutes of sunlight left, the middle and rear DPU's help to muscle an eastbound Union Pacific loaded coal train up the grade through Fraser, CO.

The Winter Park Express Ski Train pulls into the station at Fraser, Colorado to pick up passengers for the ride back to Denver.

The California Zephyr #6 train is running on time as it passes the Winter Park Express Ski Train at Fraser, Colorado.

The California Zephyr passes through a snowy Fraser, Colorado as it heads west on the Moffat Tunnel Sub.

UP 5450 (ES44AC) leads a freight past the Amtrak's Winter Park Express Ski Train as it sits on the siding in Fraser, Colorado.

Amtrak engine #188 (P42DC) leaves Fraser, Colorado as it heads towards the Moffat Tunnel.

The Winter Park Express Ski Train engines have just run around the consist and will lash up for the ride back home to Denver, Colorado.

The California Zephyr 6 train passes the Winter Park Express at Fraser, Colorado.

A track maintenance vehicle runs past the Amtrak Winter Park Express Ski Train as it works on cleaning switches from the deep snow.

The Blue Hour in Fraser, Colorado catches the California Zephyr passing the Winter Park Express Ski train, which is sitting on the siding. Once the Zephyr passes, the ski train will head to the p... (more)

A sunny day in Fraser, Colorado finds the motors from the Winter Park Express Ski Train swapping ends with the passenger cars for the trip back to Denver, Colorado.

The Winter Park Express Ski Train is ready to run back to the ski resort from Fraser, Colorado. The orange cover at the front is used to keep ice and snow from freezing up the coupler.

Amtrak engine #146 (P42DC) separates from the Winter Park Express cars at Fraser, Colorado and will run to the end of the siding in order to reposition at the other end of the train for the ride b... (more)

UP 8854 (SD70ACe) starts the climb from Fraser, Colorado to Winter Park on the Moffat Tunnel Sub.

Passing by the grade crossing at CR 5, the rear DPU's of an eastbound loaded crude oil train continue to climb up the grade towards the Moffat Tunnel.