Near El Casco on the UP's busy Yuma Subdivision, an eastbound stack train grinds upgrade through San Timoteo Canyon with some welcomed pool power from CSX lending a hand.

A recently delivered EMD SD70AH leads an eastbound Union Pacific intermodal train upgrade through El Casco on the Yuma Subdivision in San Timoteo Canyon.

CSXT tier4 power brings up the rear of this eastbound Union Pacific stack train in San Timoteo Canyon.

2 EMD's grind away at the grade up Beaumont Hill as they pass El Casco.

UP 7517 leads 2 CSX units on this eastbound stack as it works up San Timoteo Canyon near El Casco.

Just delivered from GE, a brand new UP ET44AH leads an eastbound intermodal upgrade through El Casco on UP's Yuma Subdivision on a warm summer morning in San Timoteo Canyon.

A pair brand new Union Pacific ET44AH's just recently delivered from GE are on the head end of an eastbound intermodal working upgrade through San Timoteo Canyon at El Casco on UP's Yuma Subdivisi... (more)

CSX pool power in the form of a relatively clean GE ES44AC is assigned as the rear DPU on a westbound Union Pacific stack train heading downgrade through San Timoteo Canyon on the Yuma Subdivision... (more)

UP 2687 leads the ZLAMQ at El Casco on a hazy morning in San Timoteo Canyon.

2 brand new tier4's lead the ZLCAI at El Casco as the train works up Beaumont Hill.

BNSF 8212 leads a detouring stack train along the UP Sunset Route due to the wildfire that has burned up much of Cajon Pass.

Meet Me at El Casco

As Union Pacific ES44AC 7693 grinds upgrade with its train (the ILXG4X-13, with 121 loads weighing 7078 tons and 7397 feet in length), UP ES44AC 2561 eases its tr... (more)

Between El Casco and Ordway in San Timoteo Canyon, a brand new UP EMD SD70ACe leads an empty intermodal train west toward Los Angles on the Yuma Subdivision. A tie replacement project is currently... (more)

UP's newest in their fleet of EMD power makes it's first trip leading a westbound baretable down Beaumont Hill. This is the first 9000 series EMD to lead a train into California.

CSX power leads a westbound ISALB down Beaumont Hill at El Casco.