A pair of SD70's lead empty racks up Beaumont Hill on a clear winter morning in San Timoteo Canyon.

UP 4900 (SD70M) takes a short freight south on the Greeley Sub.

UP 4900 (SD70M) runs past a coal train on the siding at Platteville, Colorado.

Storm Light at Coal Creek

That terrific storm light in the early spring along the cliffs of Coal Creek back light an ascending oil can into the last curve before heading ... (more)

The first thunderstorm complexes of the 2020 season rumble northeasterly over Boulder County while the last light of the day strikes a westbound oil train around the horseshoe at Coal Creek. Gett... (more)

A westbound Union Pacific military train climbs through the Tunnel District just east of Crescent, Colorado, on the afternoon of June 16, 2017. The long train of military equipment from Fort Carso... (more)

A westbound Union Pacific military train climbs through the Tunnel District at South Draw just east of Crescent, Colorado, on the afternoon of June 16, 2017. The long train of military equipment f... (more)

A Union Pacific military train climbs westbound through the heart of the Tunnel District at South Draw just east of Crescent, Colorado, on the afternoon of June 16, 2017. The long train of militar... (more)

Climbing upgrade through the Tunnel District east of Crescent, Colorado, a westbound Union Pacific train blasts out of Tunnel 12 with a cloud of smoke on the afternoon of June 16, 2017. Leading th... (more)

Up 4900 with some very heavy freight.

Working up Beaumont Hill at the Live Oak Canyon crossing, 4 EMD's lug a long stack train up San Timoteo Canyon.

UP 4900 and CSX 'Diversity in Motion' CW44-6 699 lead a westbound towards Boone.