With Amtrak #6 in the hole just ahead at Cliff, a heavy BNSF frac sand train crawls past the site of former tunnel 28 and into the tightest curve on the Moffat Road before diving into tunnel 29. G... (more)

A UP Grand Junction,CO - Denver,CO manifest prepares to duck into tunnel 29 at Pinecliffe.

On June 16, 2001, a summertime run of Ansco’s Rio Grande Ski Train passes through 75-foot Tunnel 29 westbound just east of Pinecliffe, Colorado, on Union Pacific’s scenic former Rio Grande Mof... (more)

Amtrak’s eastbound California Zephyr emerges from the shadowed 75-foot bore of Tunnel 29 just east of Pinecliffe, Colorado, on the afternoon of September 15, 2018.

Southern Pacific GE AC4400CW No. 239 leads an eastbound Union Pacific coal train through the snow approaching the west switch of Cliff siding at Pinecliffe, Colorado, on April 23, 1999.

BNSF EMD SD70MAC No. 8907 leads a westbound freight at Pinecliffe, Colorado, on January 31, 2012.

With the mercury sitting just above twenty degrees Fahrenheit and the wind gust feeling like needles poking any exposed skin; all that didn't matter for a few minutes as the sound of dynamic brake... (more)

A westbound Potash empty skirts South Boulder Creek. The head-end is exiting the canyon on a tight 10 degree curve, while the cars east of Tunnel 29 round a 12 degree horseshoe. All these curves c... (more)

An eastbound Union Pacific coal train leaves Pinecliffe, Colorado, on September 20, 2001. The locomotive is lead by EMD SD9043MAC No. 8042 followed by a pair of GE AC4400CWs, Nos. 6538 and 6756.

An eastbound BNSF trackage rights train approaches Pinecliffe running parallel to CO 72, Coal Creek Canyon Road.

The fog has settled in as Union Pacific SD70AH No. 1943 leads an eastbound "Executive Special" out of the siding at Pinecliffe, Colorado after going through a Form B for a bridge replace... (more)

A westbound Union Pacific coal empty crawls out of the west end of the “Tunnel District” passing the sight of daylighted Tunnel 28 east of Pinecliffe, Colorado, on September 15, 2018.

An eastbound Union Pacific manifest freight curves out of Tunnel 29 east of Pinecliffe, Colorado, on the afternoon of September 15, 2018.

A BNSF trackage rights westbound freight is almost through the tunnel district as it starts on the 12-degree horseshoe curve just east of Pinecliffe. The curve is the sharpest east of the Moffat T... (more)

On a late spring day in Colorado, Amtrak’s westbound California Zephyr zips through Tunnel 29 and crosses South Boulder Creek just east of Pinecliffe on the morning of May 25, 2017.