The early morning light highlights a northbound empty hopper train just north of Palmer Lake.

Deep within the Rocky Mountains during a light snowfall, silence is interrupted as Amtrak's westbound California Zephyr races through Tolland Siding en route to the warmer state of California on J... (more)

The shadows are quickly enveloping the Colorado River valley floor at Bond, CO as a pair engines shove on the rear of empty hoppers departing the main line onto the Craig Branch.

A westbound BNSF manifest freight climbs the 2% grade through Eisele (formerly Clay), Colorado, on the afternoon of June 9, 2014. Leading the train is repainted GE C44-9W No. 4490, followed by AC4... (more)

BNSF 5119 climbs the hill pulling a freight through Broomfield, Colorado.

Westbound empty hoppers roll along the Colorado River between Parshall and Kremmling, CO. The empties are destined for the coal fields along the Craig Branch.

UP8828 charges into Tunnel 1 of the Moffat Road with a loaded sand train... The heavy westbound consists of a total of 5 big motors distributed 3x2. Note the C44-9W second out in the head-end cons... (more)

After meeting the eastbound California Zephyr at Sulphur Siding, Amtrak's westbound California Zephyr snakes west through Byers Canyon on the UP Moffat Tunnel Subdivision running around 4 hours la... (more)

An eastbound coal train rolls through Winter Park, CO.

BNSF EMD SD70ACe No. 8504 leads a locomotive test train south toward Raton Pass featuring a mix of BNSF EMD and GE power, BNSF passenger test cars, and Progress Rail' EMD SD70ACe-T4 demo unit.

With the Colorado aspen still at peak colors in this late September view, an eastbound UP coal train charges through Hot Sulphur Springs on UP's ex-Rio Grande mainline.

An eastbound Union Pacific coal train eases into the S curves just east of Kremmling on its way to Denver from the coal loadouts of Colorado.

In the warm early afternoon sunlight, BNSF's Provo, UT to Denver, CO manifest snakes around the horseshoe curve in Coal Creek Canyon, CO with quite the colorful consist leading the train.

Inclimate weather flows east into the plains as a westbound Union Pacific manifest freight climbs out of Clay, Colorado, on April 18, 2003. Leading the eight locomotive consist over Blue Mountain ... (more)

Westbound empties approach a tunnel in the Radium, CO area. A few miles ahead at Bond, the train will make a right hand turn onto the Craig Branch for loading in the Steamboat Springs area.