Union Pacific ES44AH no. 8262 leads eastbound coal loads from West Elk Mine at Leyden in Arvada, Colo., on May 26, 2015. The train is about to cross over Indiana Avenue.

BNSF's eastbound Provo, Utah trackage rights manifest is about to duck into a cloud covered scene just west of Leyden near Arvada at a location call Chemical.

Union Pacific SD70AH no. 8846 leads two AC6044CW's, an SD70ACe, and AC4400CW on the Roper Yard to North Yard manifest at the east end of the siding at Leyden in Arvada, Colo. Searchlight signals c... (more)

In the early morning sunshine Rio Grande's ski train passes the first siding out of Denver at Leyden, headed for the Continental Divide to drop its eager passengers just outside Moffat Tunnel. Th... (more)

Just after sunrise on March 8, 2009, the Rio Grande Ski Train climbs out of Leyden, Colorado—its 16 cars and three F40PH locomotives reflecting the morning sun beneath a pastel sky.

DRGW eastbound Salt Lake City to Denver "Railblazer" approaching Denver at Leyden siding after an overnight run from SLC

At dawn, a westbound Union Pacific coal train climbs out of Leyden on January 23, 2007. Soon enough, the sun will rise above the city of Denver and a scattering of clouds to the east revealing ano... (more)

The sun rises over the Great Plains and the city of Denver on the morning of January 25, 2007, as Amtrak’s westbound California Zephyr climbs the grade out of Leyden, Colorado, at the beginning ... (more)

Drifted snow is lit up by a rising sun over the plains as an eastbound Union Pacific coal train descends the 2% grade toward Denver with lone DPU GE AC4400CW No. 7305 on the rear west of Leyden, C... (more)

With plenty of alpenglow on the Front Range mountains very early on the morning of January 22, 2007, an eastbound Union Pacific coal train drops downgrade just west of Leyden, Colorado.

The morning sun rises over Denver as a westbound Union Pacific coal empty climbs out of Leyden, Colorado, on a cold January 25, 2007.

Union Pacific’s West Local crosses over Colo. Highway 72 just west of Leyden, Colorado, on January 27, 1998. Leading the train is venerable Rio Grande GP30 No. 3003.

Rio Grande and Southern Pacific ordered six 4000 HP diesel-hydraulic prototype units from Krauss-Maffei of Germany. Three Rio Grande #4001-4003 and three SP #9000-9002. Rio Grande kept them for ... (more)

Rio Grande EMD GP30 No. 3003 and GP40-2 No. 3100 are on a work extra dumping ballast west of Leyden, Colorado, on February 12, 1999. A company front-end loader piles it along the right-of-way so t... (more)

In a panned photograph, Wisconsin and Southern E9 No. 10C flies through Leyden, Colorado, eastbound on a special west coast passenger train now headed back home on October 2, 1998.