Milepost 100 of UP's Sunset Route between Houston and San Antonio marks the middle of Weimar siding. On a crisp winter afternoon, the daily Houston-Eagle Pass, TX manifest has dynamics roaring as ... (more)

Union Pacific’s MNYRO manifest freight climbs around the mouth of Coal Creek Canyon west of Clay, Colorado, on July 8, 2012. Three locomotives on the front of the train are about to enter Tunnel... (more)

The unit behind 105 empty hoppers holds on as it slowly snakes through the canyon.

UP 6785 & BNSF 5757 lead a westbound empty coal train.

UP 6785 has a high green as it heads into the sunset with westbound empties.

This is the very hard working and trailing DPU on a westbound coal drag, with load bound for export at the port of Long Beach, Ca. Looks like this unit could use a decent acid bath?

A westbound coal empty can be seen 3 times as it snakes along the Colorado River east of Radium. This empty is heading for the mine at Somerset, CO south of Grand Jct.

Coal empties walk up Marshall Hill with three big GE's on the point- (trailing units 6532 and 6081)

Deep in the WV valleys where the sun rarely shines, a UP engine finds work in the east a bit harder than those flat wide open runs out west.