Candian National 3977 (ES44AC) leads a freight towards Merino, Colorado as it heads to the yard in Sterling.

Canadian National #3977 (ES44AC) leads a freight through Peetz, Colorado as it heads north to Nebraska.

Canadian National 3977, (ES44AC) runs past the silo in Roggen, Colorado as it heads east on the Brush Sub.

Here is a good look at Canadian National 3977, an ES44AC that was bought from Citi Rail and pressed into CN service.

Canadian National 3977 leads a freight into a bright Colorado sunrise as it heads east on the Brush Sub towards Keenesburg.

Canadian National 3977 (former Citi Rail ES44AC) leads a freight through Merino, Colorado on its way to Sterling.

Canadian National #3977 (ES44AC) leads a group of autoracks and freight cars towards Fort Morgan, Colorado on the Brush Sub.

Canadian National #3977 (former CitiRail ES44AC) leads a long freight through Hillrose, Colorado on its way to Sterling.

Canadian National 3977 (Former Citi Rail ES44AC) takes a freight into Sterling, Colorado.

Shoving an empty all-rail north through Iron Jct and on up to Minntac for loading.

Edmonton (North Strathcona), AB - Vancouver (Thornton), BC crude oil loads pull into the siding at Lempriere on the Albreda Sub. Once at Thornton Yard a BNSF crew will take the train south towards... (more)

Crude oil loads for Arco, WA head west on CN's Robson Sub.

CN ES44AC 3977 and a pair of BNSF C44-9Ws slowly lead U767's crude oil loads through the siding at Lempriere.

U767's train knocks down the approach signal to Redsand.

A colourful consist leads a loaded crude oil train west.