It is late in the afternoon as storm clouds move in and BNSF 2700 (GP39-2) leads the Buck Local with a load of wood to Lafayette, Colorado.

The morning California Zephyr crosses over Highway 72 as it rounds the horseshoe curve in Coal Creek Canyon, and will start the climb up to Tunnel #1 at Plainview on the Moffat Tunnel Sub.

It is dusk as Amtrak 146 leads the California Zephyr through the canyon east of Pinecliffe, Colorado and will shortly enter Tunnel 29, one of 30 tunnels that were carved into mountains on the Moff... (more)

BNSF 5957 (ES44AC) heads into a spectacular sunrise on the Brush Sub east of Keenesburg, Colorado.

BNSF 7042 (ES44C4) leads a freight through 'The Sag' which is north of Palmer Lake on the Joint Line.

Under light snow, sub freezing temperatures and a low cloud base, the morning California Zephyr with Amtrak 176 on point runs through Plainview, Colorado.

The BNSF's Buck Local from Longmont, Colorado, with BNSF 2618 (GP39-3) on point rounds the corner and heads up the hill towards the Broomfield Siding.

BNSF 7147 (ES44C4) leads a windmill blade train through Monument, Colorado.

BNSF 9317 (SD70ACe) pulls a loaded coal train past a helper unit staged at Spruce, Colorado.

BNSF 6942 (ES44C4) leads four other BNSF pumpkins up the hill to Tunnel #1. A snowstorm the previous night dropped a fresh layer of powder in the mountains and along the Colorado Front Range.

The day after a snowstorm blanketed the Colorado Rocky Mountains and Front Range with a fresh layer of powder, Amtrak 146 exits Tunnel #1 on the Moffat Line and heads towards Plainview and the tun... (more)

UP 7948 (ES44AC) leads a windmill parts train in the Blue Hour towards Palmer Lake, Colorado. With temperatures in the teens and snow the day before, dense fog blanketed the towns of Palmer Lake,... (more)

UP 8794 (SD70ACe) leads five other UP engines around Big Ten Curve and then will head to the Union Pacific's North Yard in Denver, Colorado.

Amtrak 17 (P42DC) leads the California Zephyr and leans into the elevated curve on its way to Pinecliffe, Colorado.

The crew and passengers on the morning's California Zephyr got quite a view of a large herd of elk as the train ran along Blue Mountain and headed towards Coal Creek Canyon on the Moffat Tunnel Su... (more)