After a short thunderstorm, UP 844 races south through the small town of Nunn, CO.

Now back in Colorado and making track speed just north of Nunn, UP Train PDVDV1 23 clicks off the miles towards Denver with the return trip of the Frontier Days Special.

Locomotives: UP 844,... (more)

Freshly rebuilt Union Pacific No. 844, deadheads to Denver to pull the annual Frontier Days Train to Cheyenne Wyoming. Congratulations to the entire Union Pacific Steam Crew, Union Pacific Railroa... (more)

UP 1989 leads a heavy N. Platte to La Salle manifest train Southbound into Nunn.

At last light, UP 8899 heads South with the Salt Lake City to Denver Intermodal train.

Union Pacific SD70ACe no. 8795 leads Union Pacific ES44AH no. 8151 on this Passenger Special from Denver, CO to Council Bluffs, IA (PDVCB2 06). The train is approaching a dirt road crossing just n... (more)

UP 844 and UP 6936 lead the annual Denver Post-sponsored Cheyenne Frontier Days train out of Nunn, CO, on July 23, 2011. At Nunn, the hill to Speer steepens, so the locomotives were working pretty... (more)

Due to wash outs on UP's Moffat Tunnel Subdivision, Amtrak's California Zephyr was forced to reroute over the Denver Pacific Line from Denver to Speer and across Wyoming on UP's Overland Route to ... (more)

The southbound Frontier Days Train behind UP 844 and UP 6936 flies southbound through downtown Nunn, CO on its 3-hour run from Cheyenne to Denver. This yearly event train is certainly not to be mi... (more)

UP 3985 is seen here pulling the Ringling Bros Circus Train from Cheyenne to Denver.

UP 844 deadhead move to Denver from Cheyenne as seen from the Hwy 85 overpass at Nunn.

Making track speed of 60+mph, the southbound Denver Post special races toward Denver.

Union Pacific #844 approaces the town of Nunn, CO while going 70mph. Note the chaser riding the motorcycle.