BNSF 5419 (Dash9) is coming at you as it enters the Keenesburg Cut while running east on the Brush Sub.

BNSF 5419 (Dash9) leads a freight east of Wiggins, Colorado on the Brush Sub.

BNSF 5419 (Dash9) leads a freight into the Keenesburg Cut as it heads east on the Brush Sub.

BNSF 5419 (Dash9) leads a power-heavy freight through Wiggins, Colorado and heads east on the Brush Sub.

BNSF 5419 (Dash9) leads a freight past a frozen field in Wiggins, Colorado.

BNSF 5419 (Dash9) leads a power-heavy freight through Wiggins, Colorado on the Brush Sub.

BNSF 5419 (Dash9) leads a power-heavy freight through the Keenesburg Cut in Colorado.

Led by a pair of GE C44-9Ws, a westbound BNSF oil train lays down its reflection in Frog Pond west of Trout Creek, Montana, on the stormy-looking afternoon of October 13, 2017.

An LA bound Z train descends Track #3 on BNSF's busy Cajon Pass.

A Kansas City-Los Angeles Z train descends steep track #3 on Cajon Pass.

A BNSF manifest passes through KC

Under a tumultuous sky, a westbound BNSF oil train casts its reflection in the frog pond west of Trout Creek, Montana, on the afternoon of October 13, 2017.

A long unit train of ethanol empties snakes down the hill into Morris as a blurry soda truck waits its turn.

One of many westbound grain trains heads down the Columbia River gorge toward Vancouver and Portland

This BNSF Q-train is running on yellow blocks as it follows a UP manifest southbound at Cable X-Over.