BNSF 5130 climbs around the Tehachapi Loop, passing the "relief station" of a track gang whom were replacing rail on the main line.

UP 8409 races through Sandcut late in the afternoon.

The Willow Springs, IL to North Bay, CA Z1 exits Tunnel 14 as it moves down hill on a warm May day.

BNSF 5130 has reached the end of the "hard pull" as the grade will gradually lessen from Cable Crossover to the crest at Summit.

Afternoon light glints off a century old US&S relay cabinet.

BNSF 5055 tops over at Sandcut on a hazy afternoon.

BNSF 4480 eases downgrade at Marcel with about 1,000 automobiles in tow. The train is about one mile away from traversing the world famous Tehachapi Loop.

A Union Pacific stack train pulls up the moderate grade into Ilmon. In two miles, the grade will stiffen to 2.5% for the climb to Caliente.

BNSF 4739 drops down the last few miles into Mojave.

A southbound Union Pacific manifest creeps upgrade through Marcel.

BNSF 4105 rolls across a private crossing shortly after sunset.

The final light of the day falls upon BNSF 7853 as her crew runs off the final miles to Bakersfield.

A unit coil steel train glides up Tehachapi Pass, having just traversed the Tehachapi Loop.

Creeping shadows will soon overtake the north end of Cliff siding while BNSF 5387 continues it's journey over the pass.

Daylight fades as a high priority UPS train rolls through Monolith, having crested Tehachapi Pass only minutes earlier.