Amtrak engine 136 (P42DC) leads the California Zephyr #6 train down the 2% grade into Coal Creek Canyon as it heads to Denver on the Moffat Tunnel Sub.
The California Zephyr is led by Amtrak engine #203 (P42DC) in the special paint scheme of Operation Life Saver as it rounds the corner leading to Tunnel #1 on the Moffat Tunnel Sub.