Switching power, local power, and origination/protection power.

On the afternoon of September 12, 2007, a Union Pacific stack train threads Hermosa Tunnel on Track 2 at Hermosa, Wyoming, while heading west on the main line over Sherman Hill.

UP 4199 (SD70M) leads the Rocky Moutaineer passenger train into Tunnel 2 at Plainview Colorado.

UP 4405, NS 9915, & UP 5393 westbound with auto racks.

A pair of Union Pacific EMD SD70Ms, Nos. 5107 and 5105, are wrapped and patched for Rocky Mountaineer Railtours on the train’s first season operating in Colorado and Utah on November 16, 2021. T... (more)

4 years ago the Minneapolis Sub saw a wider range of locomotive types than it does these days, including foreign road power. At dusk in a spring snowfall a UP and an NS EMD pair up on train L516, ... (more)

With an EMD SD70M on the point, UP autorack train AMICH passes through The Club at Castlewood's golf course on a September evening.

An eastbound Union Pacific freight climbs the legendary Wasatch grade through Echo Canyon east of Echo, Utah, on February 8, 2007.

A trio of Union Pacific SD70Ms are done for the day (that day being April 1, 2022) after departing LaSalle CO and heading to Cheyenne WY and return, having just backed into the small yard in LaSal... (more)

Southbound Union Pacific SD70M no.4009 holds for the northbound Amtrak California Pacific Surfliner no. 777 at Seacliff siding.

One of the 10 Juniata-built standard SD70Ms leads 20E east into Phillipsburg.

A single Union Pacific SD70M, 4036, lays over at the railroad’s West Anaheim Yard, indicating that the latest Anaheim Hauler from West Colton must not have been very lengthy, as they usua... (more)

Union Pacific SD70M no. 4263 leads the northbound Guadalupe Local past the Cliffs of the Mussel Shoals area.

UP 4199 (SD70M) leads the Rocky Mountain Express towards Tolland, Colorado on the second test run of the season to Moab, Utah.

UP 4334 hustles the local eastbound.