The UP Gila Sub is the ex-Southern Pacific Sunset Route that runs 255 miles from Yuma, AZ, to Tuscon, AZ. When I found out of a possible signal replacements coming this summer, I made plans to go ... (more)

With the Dome Mountains in the background, DPU motors shove an intermodal past the cantilever signals at Wellton Arizona on a very quiet morning on this portion of the Sunset Line.

After stopping at CPSP 768, UP 8772 west accelerates past the classic SP cantilever signal bridges in Wellton Arizona on a warm spring evening in the desert.

A westbound Union Pacific empty coal train speeds through Wellton on UP's Gila Subdivision, one of the very few crossover locations still protected by Southern Pacific era cantilever searchlight s... (more)

With the sun already set below the mountains, last light glints off an eastbound stack train as it passes a classic and rare set of Southern Pacific era cantilever signal bridges still guarding th... (more)

On a warm late winter afternoon in southwestern Arizona, an eastbound Union Pacific container train is about to clear the Wellton crossovers on the Gila Subdivision while a westbound in the distan... (more)

UP 7488 leads a westbound coal empty through the Wellton Xovers.

East and Westbound trains meet at the Wellton crossovers in the late evening. The west man holding would crossover after the passage of the eastbound.

West of Wellton on UP's Gila Sub, GE ET45AH 2701 leads a fast moving intermodal as it races towards a crew change at Yuma.

Late evening finds a eastbound stack train racing the setting sun as it passes the double cantilever signals at the Wellton crossovers as another day sets along UP's Sunset Route.

An LA to CSX Z train sails east against the setting sun on the Gila Sub.

Another day on the aptly-named Sunset Route comes to a close as ZLAMQ heads east through Wellton with a train of hot domestic intermodal traffic bound for Texas. The power passes under one of the ... (more)

With Arizona's Dome Valley behind it a hotshot Union Pacific Z train sails passed MP 766.5, west of Wellton, AZ on Union Pacific's Gila Subdivision. This portion of the former Southern Pacific 'Su... (more)

A westbound junk manifest ducks under a likely soon to be replaced ex-Southern Pacific cantilever signal at the Wellton crossovers.

Eastbound UP City of Industry to Chicago Global 1 stack train was rounding horseshoe curve between Kinter siding and the beginning of double track at Dome, twenty miles east of Yuma