Northbound tonnage passes through the Tehachapi valley near Monolith in the late afternoon.

empty Trona coal train descending Tehachapi Mountains westbound at Cable Crossovers, Tehachapi, CA

BNSF 7676 leads the Bakersfield to Barstow manifest up the grade and around the horseshoe curve at Caliente

A Southbound Z Train snakes its way through Marcel after going around the famous Tehachapi Loop.

A UP train emerges out of one of the many tunnels on the former SP line just north of Tehachapi California.

UP 7450 leads its Intermodal train out of the Tunnel 2.

View from above tunnel #10 with eastbound BNSF train coming down from marcel siding

One of the endless SP freights, the train still winds around the Loop while the engines already have reached the bridge at right.

Smoke, fire, heat and noise is coming from 20,000-horse power hauling 8000 tons over the road through the Tehachapi Range. When you are here you're in one of the railroad wonders of America. For a... (more)

Easing down through Tehachapi Loop, four of BNSF's schemes do the front-end work.

A Southbound manifest with a Warbonnet leader passes through the area just south of Tehachapi Summit near Monolith.

Tunnel motor 6889 swings into the Tehachapi Loop at Walong with the daily "Tank Train."

A GE Dash-9 chugs up the grade as it loops itself on the Tehachapi Loop.