BNSF 9087 (SD70ACe) leads a loaded coal train south on the Joint Line through Spruce, Colorado.

BNSF 9087 (SD70ACe) leads a load of coal through Spruce, Colorado as it runs south on the Joint Line towards Palmer Lake.

The Southwest Chief, led by Amtrak's Operation Life Saver engine #203 (P42DC), runs the S curves south of Trinidad, Colorado.

KCS 4709 (ES44AC) runs south on the Joint Line, over the Santa Fe Bridge and through the Black Forest trees in Larkspur, Colorado.

KCS 4709 (ES44AC) runs south on the Joint Line through Castle Rock, Colorado.

KCS 4709 (ES44AC) pushes south on the Joint Line as it runs through Monument, Colorado.

KCS 4709 (ES44AC) leads a grain train through the Balck Forest at Larkspur, Colorado.

BNSF 7872 (ES44DC) hits a bright sunrise as it moves through the Keenesburg Cut on the Brush Sub.

BNSF 5754 (ES44AC) leads a freight eastbound on the Brush Sub through Keenesburg, Colorado.

The California Zephyr makes the turn in Keenesburg, Colorado as sunrise casts an orange glow over the horizon.

She'll be coming around the mountain. The California Zephyr rounds the corner leaving Coal Creek Canyon and heading to Tunnel #1 at Plainview, Colorado.

Snow is falling in Coal Creek Canyon as the California Zephyr runs towards the horseshoe curve over Highway 72.

Amtrak engine #203 with the special Operation Life Saver scheme makes a brief stop at the Raton Station in New Mexico. Soon it will be running south at 78 miles per hour to the next station at La... (more)

Amtrak engine #203 (P42DC in the special Operation Life Saver scheme) splits the semaphores at Wagon Mound, New Mexico. These are some of the last operational semaphores in the country.

Amtrak engine #203 (P42DC) splits the signals at East Raton as it heads to the Station in New Mexico.