BNSF 7073 (ES44AC) muscles the Provo-to-Denver train towards Arvada, Colorado on the Moffat Tunnel Sub.

BNSF 6286 (ES44AC) leads a power-packed Provo train as it heads to Denver, Colorado on the Moffat Tunnel Sub.

BNSF 6286 (ES44AC) leads 8 other motors on the Provo train as it heads to Denver, Colorado on the Moffat Tunnel Sub.

Stainless Glint at Leyden Sunset owns the moment at Leyden with the California Zephyr flying the mile over the high fill at Leyden in Arvada.

From above Tunnel 1, we see the California Zephyr as it climbs the roughly 2% from the base of Coal Creek Canyon up to the east portal of Tunnel 1. This, of course, is the first of 28 tunnels the ... (more)

RMRX 8020 brings their train downhill out of Tunnel 1 as they prepare to go around Big Ten curve and enter Denver.

The Rocky Mountaineer Rockies to Red Rocks train swings around iconic Big Ten curve as they make their way into Denver. Leading today's train is RMRX 8020, built for the B&O.

The snow clouds are breaking up as Union Pacific 6891 (AC4400CW) muscles a freight towards Arvada, Colorado.

UP 7833 (ES44AC) splits the trees as it runs towards Arvada, Colorado on the Moffat Tunnel Sub.

Ontime (altered schedule) California Zephyr has just negotiated the Big 10 Curves and heads toward the huge horseshoe at the mouth of Coal Creek Canyon.

Moffat Cement MGJNY 3/15/24 Better than 5 feet of snow fell under the Great Divide along the Moffat Road in this storm. The morning investment started trackside for the GJ crawling f... (more)

Amtrak's California Zephyr passes by a Union Pacific Oil train that is stopped on the Plain siding on Union Pacific's Moffatt Tunnel subdivision. The Zephyr is headed eastbound and in a few minute... (more)

Amtrak's Winter Park Express Ski Train kicks up the snow as it runs through Arvada, Colorado on the Moffat Tunnel Sub.

A Union Pacific oil train heads east, descending the front face of the Flatirons and down to Denver and the flat plains that stretch eastward. The mid-train DPU's come into view, showing how quic... (more)

The Colorado Rocky Mountains loom large above UP 2698 (AC4400CW) as it leads an oil train towards Arvada, Colorado on the Moffat Tunnel Sub.