A gorgeous autumn morning finds Union Pacific's MRONY train gliding east through Price Canyon entering the Kyune Gooseneck on Oct. 15, 2015.

Here's one of my favorite locations to catch trains in Spanish Fork Canyon. UP 8344 East rattles the facing crossover switches at CP RG677 Rio with 10,551 ft. Mt. Loafer looming in the background.... (more)

A GE AC4400CW-CTE shoves on a 77 car MRONY train approaching East Gilluly on March 15, 2013. Only 10 additional miles and 1000 feet of elevation remain to reach Soldier Summit.

A 77 car MRONY squeals around the Soldier Creek fill at Gilluly on March 15, 2013. Only 10 additional miles and 1000 feet of elevation remain to reach Soldier Summit.

Moving right along at the maximum authorized speed, UP's MRONY curves east through Spanish Fork Canyon at Diamond Fork. This Salt Lake to Denver general freight has three motors on the point, 77 c... (more)

After switching out a cut of cars at Provo Yard, UP's MRONY is back up to speed blasting east through Springville in the early morning sunlight. Shadowy 11,749' Mt. Timpanogos looms in the backgro... (more)

The assignment for the 7765, a distributed power unit, is to shove UP's eastbound MRONY train some 570 miles from Salt Lake City to Denver. At this location, the DPU is working hard to push the lo... (more)