Bathed in golden light, UP's YSC25R switcher meets a Utah Transit Authority FrontRunner commute departing Salt Lake City on Jan. 24, 2014.

Union Pacific's YRO52R switch job pauses on the Salt Lake Garfield & Western interchange track at 9th West and South Temple. The Red Iguana Cafe has been a fixture at this location for decades. In... (more)

Union Pacific's Fourth South switcher glides east through Grant Tower meeting a UTA commuter rail train at the 6th West crossing in Salt Lake City.

A former D&RGW caboose trails UP's YRO52R switcher approaching the Fourth South yard to tie up for the day.

UP's YRO52R switch job squeals through Grant Tower in Salt Lake City.

On a perfect springtime afternoon in Utah's capital city, Union Pacific's YRO52R curves through CPC 783, Grant Tower. If you look closely, a former Rio Grande caboose trails 14 cars of mixed merch... (more)

The classic lines of an EMD GP15-1 are captured at the former D&RGW Fourth South Yard in downtown Salt Lake City. The UPY 585 was built the Missouri Pacific 1585 in December 1976.

On a rainy afternoon, Union Pacific's YRO52R switcher is captured on the Salt Lake Garfield & Western interchange lead in downtown Salt Lake City. An abandoned red velvet couch offers visiting rai... (more)

While storms brew over the Wasatch, Union Pacific's YRO52R switcher waits for a clear signal to depart CP C784 for the old Rio Grande Fourth South yard.

Probably the cleanest GP15-1 in UP history parks its train in the old D&RGW Fourth South Yard in downtown Salt Lake City. Track equipment is piled high, anticipating Utah Transit Authority commute... (more)

UP's Fourth South Switcher, the YRO52R, glides east through Grant Tower with the CRGX (Cargill) 2254, an SW1200 interchanged with the Salt Lake Garfield & Western at 10th West. Historically, this ... (more)

UP's Fourth South Switcher, the YRO52R, picks up the CRGX (Cargill) 2254, an SW1200, at the Salt Lake Garfield & Western interchange yard at 10th West. Historically, this switcher was built by EMD... (more)

An interesting switch pair work the south end of Union Pacific's North Yard in downtown Salt Lake City. UPY 585 is a GP15-1 while UP 2185 is an SD60. Both units appear to have recently taken a tri... (more)

While driving through downtown Salt Lake City, I spotted this immaculate, freshly painted UP GP15-1. The UPY 585 has been assigned to work the weekday YRO52R 'remote' switch job west of downtown. ... (more)

While driving through downtown Salt Lake City, I spotted this immaculate, freshly painted UP GP15-1. The UPY 585 has just been assigned to work the weekday only YRO52R 'remote' switch job that wor... (more)