Hudson Terminal Railroad's veteran Alco S1 moves a cut of oil can in the large yard in Hudson, Colorado.
This view from the top of Blue Mountain gives a good view of the Big Ten Curve as the California Zephyr #6 train drops down the 2% grade towards Rocky, Colorado.
The lead engine on the California Zephyr looks like it's about to time travel as it runs through Rocky, Colorado on the Moffat Tunnel Sub towards Denver.
The Rocky Mountaineer's GP40-3 leads two leased units as it runs east on the Moffat Tunnel Sub in South Draw on its way to Denver, Colorado.
The Rocky Mountaineer passenger train gets ready to enter Tunnel #14 as it runs through South Draw on the Moffat Tunnel Sub in Colorado.
The Rocky Mountaineer passenger train runs through Tunnel #15 in what is arguably the most scenic part of the Moffat Tunnel Sub. The area known as South Draw affords views of 5 tunnels, providing... (more)
The California Zephyr passes maintenance equipment working on the Big Ten Curve in Rocky, Colorado.
With the Denver skyline in the upper right, Amtrak engine #146 (P42DC) leads the California Zephyr out of Tunnel #1 at Plainview, Colorado. The train will soon arrive in Denver and take on and di... (more)
BNSF 6307 (ES44AC) runs a coal train through Fountain, Colorado on the Joint Line.
BNSF 3627 (ET44ACH) runs over a dry creek bed as it heads towards Sedalia, Colorado on the Joint Line.
A BNSF SD70ACe shoves a coal train towards Keenesburg on the Brush Sub.
BNSF 7599 (ES44DC) sits idle as it waits for a crew to take the train north on the Joint Line towards Denver, Colorado.
BNSF 5394 (Dash9) leads a manifest train south on the Joint Line towards Colorado Springs, Colorado.
A pair of SD70ACe's run through farmland in Keenesburg, Colorado as they head west on the Brush Sub.
BNSF 8593 (SD70ACe) leads a coal train through Fountain, Colorado.
