Two elephant BNSF ACes lead a loaded coal drag up grade through Castle Rock, CO.

A coal empty makes its way north passed Big Lift on the Colorado Joint Line.

Eastbound train east of the Towal siding.

Leaving Denver behind on a beautiful June 9, 2013, afternoon, a westbound Union Pacific coal empty wraps itself around Big 10 Curve as the head end passes by the east switch at Eisele, Colorado, d... (more)

Rose Acre Farms-Lone Cactus Railroad RAFX 1404- MP15AC, Utting, AZ

BNSF’s eastbound Cody local stops to switch grain hoppers into Ralston Elevator just west of Ralston, Wyoming, on June 28, 2018. The elevator has a 2.3 million bushel storage capacity serving th... (more)

Even at a 10,221-foot elevation, small trees are taking foot on the rusty main line and siding at the summit of the former Rio Grande main line over Tennessee Pass. Still “railbanked” by Union... (more)

BNSF 132 West thunders through a deep cut at Laguna, NM, as it climbs toward the Continental Divide. The name "Laguna" derives from the fact that in the past a lake existed in the area; ... (more)

BNSF 798 (Dash944CW) shoves a freight up the incline through Greenland on its way to the Palmer Divide.

Two elephant style ACes lug a loaded coal drag up grade into the small town of Sedalia on the Colorado Joint Line.

Amtrak’s westbound California Zephyr climbs toward Big 10 Curve between Rocky and Eisele, Colorado, on June 2, 2013.

Descending the western grade of Marias Pass, a BNSF intermodal train cruises westbound between Paola and Red Eagle, Montana, on October 9, 2018.

Five on five on the fifth
Amtrak’s westbound California Zephyr works upgrade out of Clay, Colorado, and is about to cross over Blue Mountain Drive grade crossing on November 5, 2010. ... (more)

A westbound Union Pacific passenger train passes through colorful Red Canyon just after crossing the Colorado River between Dell and Range, Colorado, on August 3, 2014. This location is on the Dot... (more)

Union Pacific business car UPP 102 “St Louis” brings up the markers on a nine-car passenger train traversing the Dotsero Cutoff between Dell and Range, Colorado, on August 3, 2014.