BNSF 6201 (ES44AC) leads an empty coal train through the S curves north of Palmer Lake, Colorado
Late evening sun lights up a westbound loaded coal train coasting down the last of the grade of Bozeman Pass on Montana Rail Link's Second Sub.
Southbound(RR east) passing the old searchlight signal at Briar Bluff,IL.on its way to Galesburg with a last sun ray.
Three helpers go "downbound" and two trek back up the hill to repeat the task.
Working in the Barstow Yard this SD39-2 has a slug unit attached for some help.
With BNSF 3968 slug.