A couple miles north of Ault, UP's MNYNP is rolling north toward Nunn where it will take the siding. UP 6936 was set out in Denver due to mechanical issues after leading an engineering special ove... (more)

A Union Pacific engineering passenger special emerges from the Kyune Tunnels on former D&RGW rails in Utah's Price Canyon.

A Union Pacific engineering special running from Salt Lake City to Denver heads east by one of the more iconic landmarks along the D&RGW. The Rio Grande Heritage engine is on hand to keep the memo... (more)

A Union Pacific Cheyenne, WY to Salt Lake City, UT passenger special glides west through the rural community of Uintah. The 6936 is the largest operating diesel locomotive in the world, built new ... (more)

A Union Pacific Cheyenne, WY to Salt Lake City, UT passenger special descends UP's Evanston Subdivision through Echo Canyon. On the point, the largest operating diesel locomotive in the world, an ... (more)

Captured just before a big thundershower turned this dry desert community into mud, a Salt Lake City to Denver passenger special arrives at Helper for a crew change. The UP 6936 certainly looks ou... (more)

A Union Pacific Cheyenne, WY to Salt Lake City, UT passenger special descends the original 1860's track alignment of the Overland Route through Castle Rock, Utah. On the point, the largest operati... (more)

Approaching the end of a long journey that began early in the morning at Cheyenne, UP 6936 curves through Grant Tower in Salt Lake City.

A Union Pacific Cheyenne, WY to Salt Lake City, UT passenger special descends UP's Evanston Subdivision at Henefer, Utah. On the point, the largest operating diesel locomotive in the world, an EMD... (more)

A Union Pacific Cheyenne, WY to Salt Lake City, UT passenger special descends the original 1860's track alignment of the Overland Route through Castle Rock, Utah. On the point, the largest operati... (more)

A Union Pacific engineering special running from Salt Lake City to Denver heads east on former D&RGW rails in Spanish Fork Canyon. The 6936, an EMD DDA40X is iconic to the UP, and looks out of pla... (more)

Having topped 7440 ft. Soldier Summit, a Union Pacific engineering special heads east toward a crew change at Helper, Utah. With an unusually wet and cool spring season, the summer wildflowers are... (more)

A Union Pacific engineering special running from Salt Lake City to Denver heads east on former D&RGW rails at Gilluly. Maintenance of Way personnel are rebuilding main track 2 from Rio to Lynn and... (more)

A Union Pacific engineering special running from Salt Lake City to Denver heads east on former D&RGW rails through the Red Narrows of Spanish Fork Canyon. This sharp curve at milepost 673.75 was a... (more)

A Union Pacific engineering special running from Salt Lake City to Denver heads east on former D&RGW rails at CP RG677, Rio. Passing 'monsoon' moisture from the southwest has left behind a few clo... (more)