Sharp SD70AH's lead southbound stacks through the Heights.

Characteristic of Rio Grande's mainline through the Rockies 17 cars of Union Pacific varnish burst out of tunnel 40 within the confines of Little Gore Canyon. Led by SD70AH 8952 and C45AH 8239, th... (more)

A mixture of sounds from EMD's 16-710 prime mover, along with the new 12-1010, and dynamics fills the air as a test train from Denver to Tabernash, Colorado makes its way up the 2-percent grade in... (more)

I was lucky enough to catch the first run of UP's new SD70AH locomotives. They were in sequential order 8997, 8998, 8999 along with an older GEVO.

I was lucky enough to catch the first run of UP's new SD70AH locomotives. They were in sequential order 8997, 8998, 8999 along with an older GEVO.

Brand new SD70AH credit units take ZG1BRB west under the CNW style E type signals at Euclid Ave in Oak Park, IL.

The weather continues to change rather quickly as a test train led by SD70AH No. 8948 consisting of two of EMD's brand new SD70ACe-T4 Demos is seen crossing over Rollins Pass Road between Tolland ... (more)

Union Pacific SD70AH No. 8948 leads EMDX SD70ACe-T4 Nos. 1502 and 1503 along with three other UP units on a test train from Denver to Tabernash, Colorado (SDVTN 07) up the 2-percent grade in Coal ... (more)

Leaving the urban backdrop of southern California behind, UP's hotshot ZLAMQ slithers up the western slope of Beaumont Hill, commonly referred to as San Timoteo Canyon. In the distance one of many... (more)

SD70AH 8938 leads westbound freight in Oroville.

An SD70AH brings up the rear of a consist of locomotives running light through Glenwood Canyon during the last moments of sunlight in Glenwood Springs, CO on January 17, 2016.

A fresh blanket of snow covers the scene that fell overnight as more snow continues to fall. Seen here, three of four UP SD70ACe and AH's take coal empties west up the 2-percent grade at Pineclif... (more)

EMD road power then and now meet in Salt Lake City on Jan. 9, 2016.

Crawling along at the posted track speed of 10 miles per hour, PSA&P engineer Brock Hansen has UP 8852 and 58 empty garbage cars under control as they approach McCleary on the former Northern Paci... (more)