UP 6770 (AC4400CW) leads a freight under threatening skies at Crescent, Colorado.
BNSF 7414 (ES44DC) leads the Provo train on the Moffat Tunnel Sub through Coal Creek Canyon.
Amtrak heritage engine 184 (P42DC) runs through the rock formations of the South Draw on the Moffat Tunnel Sub.
BNSF 5622 (AC4400C) leads a freight towards Tunnel 17 as it runs eastbound through the trees on the Moffat Tunnel Sub.
The California Zephyr heads into Tunnel 17 just below the photographer. The third engine in line is a new Siemens Charger that was being sent to California.
The California Zephyr runs through Tunnel 15 on the Moffat Tunnel Sub just east of Crescent, Colorado.
The California Zephyr runs around the base of Blue Mountain as it heads into Coal Creek Canyon, Colorado.
BNSF 6346 (ES44AC) leads the Provo train around the corner and heads to Tunnel 17 on the Moffat Tunnel Sub.
Amtrak #5 over takes a UP manifest in Rollinsville, CO on UP's Moffat Tunnel Subdivision.
BNSF 7125 (ES44C4) leads a freight train down the hill from Tunnel 1 at Plainview, Colorado and makes the horseshoe turn in Coal Creek Canyon.
The California Zephyr makes the climb to Tunnel #1, along a stretch of track that has 3.4% grade, the steepest grade on the Moffat Tunnel District.
The California Zephyr has just run through Big Ten Curve and is passing by the Eisele siding as it runs along the base of Blue Mountain.
A westbound California Zephyr emerges from a tunnel in Gore Canyon as it hugs the banks of the Colorado River.
The DPUs on a westbound BNSF train shove toward Moffat Tunnel.
The Rocky Mountaineer climbs through Coal Creek Canyon toward Tunnel 1.