The California Zephyr runs past Barr Lake in Brighton, Colorado as it heads to Denver on the Brush Sub at sunrise.

Nice surprise this afternoon as 1983 leads this empty rail train from Ogden Utah.

UP 8006 (ES44AC) leads a power-heavy freight south on the Greeley Sub through Brighton, Colorado. Warm weather has melted the recent snow, providing a reflecting mud puddle alongside the track.

UP 6606 (ES44AC) splits the signals in Brighton, Colorado as it heads to Denver on the Greeley Sub.

UP 6608 (ES44AC) leads a freight south on the Greeley Sub through Brighton, Colorado.

The California Zephyr runs through Barr Lake at sunrise as it heads to Denver, Colorado on the Brush Sub.

Sub-freezing temperatures and snow can't keep a railfan from watching BNSF 6224 (ES44AC) bring a coal train into the siding at Barr Lake on the Brush Sub.

Snow is whipping as a fast eastbound coal train with BNSF 6209 (ES44AC) races past a westbound coal train at Barr Lake, Colorado.

The California Zephyr runs through Barr Lake in Brighton, Colorado at sunrise, rousting a flock of birds that were in the trees.

BNSF 8444 (SD70ACe) shoves a loaded coal train past Barr Lake towards Denver, Colorado.

BNSF eastbound coal

BNSF 9296 (SD70ACe) runs through light snow as it leads a loaded coal train through Brighton, Colorado.

The California Zephyr whips up the snow at is runs through the trees at Brighton, Colorado.

BNSF 8475 (SD70ACe) leads a freight through Brighton, Colorado.

BNSF 9045 (SD70ACe) shoves a loaded coal train west towards Denver on the Brush Sub through Brighton, Colorado.