DRGW 5361 leads train #708 eastbound at Clay , CO. June 26, 1982.

In a view inside Colorado’s Big 10 Curve, a westbound Union Pacific coal empty at Clay passes above the rear of the train heading toward the big curve west of Rocky on the morning of August 4, 20... (more)

A quartet of Rio Grande EMD SD40T-2 “Tunnel Motors” haul Union Pacific MDVRO upgrade out of Clay, Colorado, and are about to cross Blue Mountain Drive grade crossing on the afternoon of September ... (more)

Outside Auto Train, I believe this is the largest Amtrak train I have ever personally witnessed. Running 10 hours late on June 28, 1998, Amtrak’s westbound California Zephyr crosses Blue Mountain ... (more)

Amtrak’s eastbound California Zephyr drops downgrade on Union Pacific’s Moffat Tunnel Subdivision at Coal Creek Canyon west of Clay, Colorado, on the morning of January 12, 2001. No. 6 normally ro... (more)

Five on five on the fifth
Amtrak’s westbound California Zephyr works upgrade out of Clay, Colorado, and is about to cross over Blue Mountain Drive grade crossing on November 5, 2010. No... (more)

The westbound Ansco Rio Grande Ski Train climbs through Clay, Colorado, on the morning of July 5, 2003. This train normally operated during winter ski season, but could also be seen polishing the ... (more)

On a beautiful morning, a summer run of the Rio Grande Ski Train is westbound at Clay, Colorado, on July 15, 2000. Sure would be nice to be sitting on the rear platform of business car “Kansas” as... (more)

Burlington Northern Santa Fe’s Denver to Stockton manifest freight gets some help up the front range of the Rocky Mountains from a pair of EMD SD40-2 helpers on the rear. The head end of the train... (more)

An eastbound Burlington Northern Santa Fe Office Car Special drops downgrade at Coal Creek Canyon crossing Blue Mountain Drive west of Clay, Colorado, on August 29, 2000. Two EMD SD70MACs power th... (more)

A Burlington Northern Santa Fe manifest freight climbs out of Clay, Colorado, on the morning of July 5, 2003. Pushing on the rear of the westbound train is a pair of former BN Cascade green EMD SD... (more)

An engineer enjoys some sunshine, coffee and a short break in in the cab of Burlington Northern Santa Fe manifest C44-9W No. 1005 on a BNSF freight switching cars at the west end of Clay siding on... (more)

In an unusual move, a westbound Burlington Northern Santa Fe manifest freight switches cars around at the west end of Clay siding on Union Pacific’s Moffat Tunnel Subdivision on the morning of Jul... (more)

The American Orient Express passenger train climbs into the Rockies at Coal Creek Canyon west of Clay, Colorado, on Union Pacific’s former Rio Grande route to the Moffat Tunnel. On the rear is a f... (more)

On the climb up the front range of the Rocky Mountains, a westbound Union Pacific coal empty arcs through Big 10 Curve between Rocky and Clay, Colorado, on June 25, 2011. Denver’s suburbs can be s... (more)