The California Zephyr with heritage engine AMTK 184 backs into Denver's Union Station. The myriad of catenaries serve RTD's commuter trains, which also share the station.

The California Zephyr leaves Glenwood Springs, Colorado and continues the journey west to California.

Very rarely does an Amtrak "heritage" unit lead the Auto Train, you'd sooner catch a CSX motor. This was the second time #184 led, with the previous run being the same date a year prior... (more)

The California Zephyr rounds the corner of Blue Mountain and heads into Coal Creek Canyon, Colorado.

The California Zephyr backs into Denver's Union Station, passing between the myriad of catenaries that support RTD's commuter train system.

The California Zephyr is emerging from Tunnel 1 at Plainview, Colorado.

Amtrak #184 leads the California Zephyr through downtown Denver as it gets ready to stop at Denver's Union Station.

The heritage engine #184 leads the California Zephyr through Coal Creek Canyon, Colorado.

Amtrak heritage engine 184 (P42DC) leads the California Zephyr out of Tunnel 1 at Plainview, Colorado. A friendly wave and a horn toot from Engineer Gary was most appreciated!

An amazing sunrise greets the passengers and crew of the California Zephyr as it runs through Keenesburg, Colorado.

Amtrak heritage engine #184 (P42DC) runs through Coal Creek Canyon on the Moffat Tunnel Sub.

The California Zephyr runs through downtown Keenesburg, Colorado as a bright sunrise clears the horizon.

The rolling hills of Coal Creek Canyon and Plainview, Colorado provide a scenic backdrop to heritage engine 184 as it runs the California Zephyr on the Moffat Tunnel Sub.

Today's Amtrak number 6 was only 7 hours late. This one was because 5 with the equipment came in like 15 hours late. So the Zephyr lead by heritage unit 184 was doomed before it even left the stat... (more)

2 of Amtrak's 40th Anniversary heritage unit locomotives power the Memorial Day edition of Amtrak's eastbound Sunset Limited into Casa Grande.