Pastel colors of dawn emerge from the darkest hours of the night as Amtrak’s westbound California Zephyr bolts across a fill at 79 miles per hour at Barr, Colorado, on January 6, 2011.

A westbound BNSF coal train traverses the fill alongside Barr Lake at Barr, Colorado, on the BNSF’s Brush Subdivision east of Denver at sunrise on December 2, 2010.

An ex-Warbonnet (BNSF 636) leads the hot Q-SPOALT as it charges hard up the hill towards Barr Lake.

Amtrak's westbound California Zephyr, train #5, races towards its next station stop of Denver, CO as it passes leftover fall foliage between Barr and Irondale. Before the train arrived, we heard o... (more)

Three GE motors hustle the daily Chicago, IL to Denver, CO Z-train across the Brush Sub as it completes the final few miles of its journey near Barr Lake, CO.

A pair of Dash-9s pull the daily Denver, CO to Lincoln, NE manifest across Barr Lake as the crew will continue the long journey to their home terminal of McCook, NE.

BNSF 6017 meets BNSF 6297 at Barr, CO, on the BNSF Bursh Sub. Sept 5, 2020

Amtrak #6 led by Amtk 176 heads eastbound at sunset at Barr, CO, on the BNSF Brush Sub. May 21, 2020.

As dusk starts to settle in at Barr Lake State Park, and the mosquitoes start biting, a loaded coal train for the Holcomb, KS Power Plant slowly approaches the siding where it'll hold to meet Amtr... (more)

BNSF 5915 leads a coal load at Barr, CO, on the BNSF Brush Sub, June 13, 2020.

A pair of BNSF locomotives bring up the rear of an empty coal train, bound for mines of Wyoming's Powder River Basin, as they race across Barr Lake near Brighton, CO.

After completing their station stop in Denver, Amtrak's eastbound California Zephyr races past Barr Lake on June 1st, 2020 continuing the trip towards Chicago.

In the early evening sunlight, BNSF Dash 9-44CW #5012 leads the Seattle, WA to Alliance, TX Q Train past Barr Lake on June 1st, 2020.

BNSF 5820 leads the Chicago Denver Z Train at Barr, CO, on the BNSF Brush Sub, May 21, 2020.

BNSF 5862 leads a westbound coal load at Barr, CO, on the BNSF Brush Sub, just after sunset on May 21, 2020.