An Alliance, TX - San Bernardino, CA Z train climbs uphill between West Needles and Ibis.

BNSF 6418 (ES44AC) leads an empty coal past Speer Junction on its way to the BNSF yard in Cheyenne, Wyoming.

A BNSF frac sand train navigates through the mouth of Coal Creek Canyon gaining elevation up the 2% grade towards tunnel #1.

A colorful Colorado sunrise greets BNSF 6410 (ES44AC) as it leads a loaded coal train through Brighton, Colorado.

With three GE's pulling on the front and two more pushing on the bottom, a heavy BNSF frac sand train ascends the 2% grade out of Coal Creek Canyon preparing the enter the illustrious tunnel distr... (more)

With Amtrak #6 in the hole just ahead at Cliff, a heavy BNSF frac sand train crawls past the site of former tunnel 28 and into the tightest curve on the Moffat Road before diving into tunnel 29. G... (more)

At Grizzley, East Glacier, Montana, BNSF 6410 east works towards Shelby and Glasgow on the BNSF Hi-Line. The long empty crude oil train has been plauged with meets from Whitefish to Essex, and now... (more)

An empty crude oil train, BNSF 6410 east, is crossing the continental divide at Marias Pass, Montana in front of the Front Range of the rockies. After running in clouds for two consecutive hours t... (more)

A westbound BNSF coal train crosses over the inlet for Trout Creek on Bridge 55 at Trout Creek, Montana, on a sunny September 14, 2011.

This east bound mixed freight was really moving as it passed Firma Road on the Hannibal Sub just west of St. Louis.

An eastbound BNSF coal train passes through Lombard, Montana, on the eve of September 11, 2011. Smoke from western wildfires enhances the colors of a pretty sunset over the Missouri River and Lomb... (more)

BNSF 6410 (ES44AC) passes a visiting UP 5592 (AC4400CW-CTE) which is waiting to get some service at the BNSF engine facility in Denver.

Grinding up the 2.2% grade of Mullan Pass, Roberts Bank-bound coal loads pass the foreshortened Skyline siding and curl across Austin Trestle on a glorious summer afternoon. Visible just before t... (more)