After spending most of the day climbing the Rocky Mountains, Amtrak's eastbound California Zephyr begins the descent down to Denver after emerging from the east portal of the 6.2 mile long Moffat ... (more)

Aspens and all the foliage in full peak Fall color line the picturesque valley east of Rollins Pass and the Great Divide. The Union Pacific maintains the main line railroad that goes through the R... (more)

An eastbound Union Pacific coal train has exited the 6.21-mile Moffat Tunnel as is passing by East Portal siding on a bright September 15, 2018, morning in Colorado’s high country.

A load of black diamonds emerges from the 6.21 mile long Moffat Tunnel, and passes a MOW worker sweeping out the switch points.

Dwarfed by the Rockies overhead, the eastbound California Zephyr exits the lengthy darkness of Moffat Tunnel.

Moffat and Rollins- With eastbound coal snaking out of the 6.2 mile long Moffat Tunnel, one can't help but marvel at the sheer size of the mountains here. With the former grade of the lin... (more)

The temperature is 11 degrees outside, and the wind gusts are up to 60 MPH as Amtrak's Winter Park Express emerges from the east portal of the Moffat Tunnel on February 16th, 2019.

Amid a valley of aspens showing off their autumn gold, an eastbound Union Pacific coal train exits the Moffat Tunnel and begins the long descent towards Denver at East Portal, Colorado, on Septemb... (more)

An eastbound Union Pacific coal train bursts out of the Moffat Tunnel at East Portal, Colorado, on the morning of October 2, 2008.

“I’ve just got to get there.” That’s what a friend of mine says sarcastically whenever he encounters someone in a hurry for no apparent reason. This is a good example of it. The road to Ea... (more)

The Aspen trees show off their color as Amtrak's eastbound "California Zephyr" has just exited the Moffat Tunnel and begins its downhill descent towards Denver at East Portal, Colorado, ... (more)

It’s late afternoon on June 6, 2001, as Amtrak’s eastbound California Zephyr emerges from the Moffat Tunnel raising trackside dust as it begins its descent of on 50 miles of two percent grades... (more)

A BNSF manifest freight exits the 6.21-mile Moffat Tunnel at East Portal, Colorado, on September 29, 2003. The eastbound train is powered by a quartet of GE C44-9Ws led by 4536 and is beginning th... (more)

An eastbound coal train has just exited the east portal of the Moffat Tunnel. The tunnel was finished in 1928 and is 24 feet high, 18 feet wide, and 6.2 miles long over the continental divide. Th... (more)

With a snow-covered Continental Divide looming above, the Rio Grande Ski Train heads for the Moffat Tunnel at East Portal, Colorado, on February 16, 2008. Carrying the markers today’s train is t... (more)