With diesel exhaust blasting skyward and the early morning sun at its back, SP 9210 East attacks the grade and curvature at Cable Crossover.

At 6:30 a.m., two SP tunnel motors lead a westbound UP freight off the summit at Estrella. In the distance loom the rugged Maricopa Mountains.

Looking down the throat of Newcastle Tunnel, we see SP 9319 West coming down the original alignment toward the portal at the other end.

Very late in the day, a U33C with an L-shaped windshield leads a heavy manifest up the steep grade toward the Loop.

Early in the morning, an eastbound SP manifest roars out of tunnel 10 with the ground covered in varying shades of springtime grass.

The 9389, one of three different class of units SP painted up in a BiCentennial paint scheme to celebrate our countrys 200th birthday was leading an eastbound train in the City of Industry making ... (more)

The rear unit of a light helper breaks into sunlight momentarily before receding into shadow as it heads downhill below the Loop.

A westbound SP manifest meets a Santa Fe freight in the hole at Rowan.

An SP PTLAF rounds the Tehachapi Loop not long after sun-up.

I was surprised to see a tunnel motor here

MNA's Carthage-bound freight has just left UP's Neff Yard and is making a run up Independence Hill on the Sedalia Sub. At Pleasant Hill, the train will join home rails to continue south. The consi... (more)

An SP Tunnel Motor leads a UP unit and others as an eastbound freight exits tunnel 9 and begins climbing the Tehachapi Loop.

Shortline Motive Power Westbound GEXR Train 431-22 is on the approach to Guelph with a short 4,100 ft but heavy train, leading this assortment of power is GEXR 3054 (SD45T-2), followed by ... (more)

Southern Pacific #6819, an EMD SD45T-2R "Tunnel Motor", sits parked next to Sacramento Northern SW1 #402 inside the California State Railroad Museum in Sacramento.

SP freight rounding the Caliente curve, descending from the Tehachapi Mountains