BNSF ACe 9272 leans into the elevated curve at Keenesburg, Colorado as it heads east on the Brush Sub.
BNSF 6048 (ES44AC) leads a freight around the corner at Crescent, Colorado under a beautiful Colorado sunny day.
The California Zephyr pulls into Denver, Colorado as light snow falls. The train will now back up into Denver's Union Station to change crew, pick up and discharge passengers, and service the eng... (more)
Amtrak engine #169 (P42DC) sits in reserve at the BNSF engine facility in downtown Denver. If there exists a problem with an Amtrak motor while in the Denver area this engine would get called to ... (more)
Amtrak's Winter Park Express Ski Train exits Tunnel #1 as it takes skiers from Denver to the ski resort just on the other side of the Moffat Tunnel.
Kansas City Southern #4709 (ES44AC) leads a train south on the Joint Line, which parallels Interstate 25 between Castle Rock and Larkspur, Colorado.
An optical illusion makes it appear as though the Union Pacific oil train is running up an extra steep grade at Rocky, Colorado.
Light snow is falling in the valley of Crescent, Colorado as UP 7104 (AC4400CW) leads an oil can train south on the Moffat Tunnel Sub.
The hills are frosted with snow as the Winter Park Express Ski Train runs through Coal Creek Canyon, Colorado.
Amtrak engine #158 (P42DC) leads the California Zephyr through the trees in Coal Creek Canyon, Colorado.
BNSF 9214 (SD70ACe) muscles the Denver to Provo train through Rocky, Colorado on the Moffat Tunnel Sub.
BNSF 1532 (GP28-2) climbs out of the bowl at the huge yard in downtown Denver, Colorado.
Amtrak heritage engine #160 (P42DC) leads the California Zephyr through Arvada, Colorado.
The California Zephyr rounds the corner at Plainview, Colorado and will enter Tunnel #1, the first of 29 tunnels leading to the Moffat Tunnel at Tolland.
The California Zephyr runs through the S Curve at Coal Creek Canyon as it begins the climb up to Tunnel #1.
