BNSF 3171 (GP50) runs light as it rounds the corner of Burkes Hill in Louisville, Colorado.

BNSF 7769 (ES44DC) runs through the S curve at Louisville, Colorado a sit heads to Denver on the Front Range Sub.

BNSF 9323 leads a northbound empty coal train through Louisville, CO on the night of the first snow of the season.

BNSF 6648 (ES44C4) leads a stack train through Louisville, Colorado as it heads to Denver on the Front Range Sub.

A Herzog track cleaning train pics up old ties and debris along the track in Louisville, Colorado.

BNSF 2857 (GP39-2) leads the Buck Local through Burke's Hill in Louisville, Colorado on the Front Range Sub.

BNSF 2857 (GP39-2) leads the Buck Local past some farmland in Louisville, Colorado.

BNSF 2857 (GP39-2) tops Burkes Hill in Louisville, Colorado as it heads south on the Front Range Sub.

BNSF 2530 (GP39-3) runs though Louisville, Colorado with a short freight

BNSF 2530 (GP39-3) rounds the corner at Burkes Hill in Louisville, Colorado.

BNSF 2857 (GP39-2) runs through Louisville, Colorado on the Front Range Sub.

BNSF 2857 (GP39-2) rounds the corner after climbing up Burkes Hill in Louisville, Colorado.

BNSF 2854 (GP39-2) rounds the corner at Burkes Hill in Lousville, Colorado.

BNSF Bluebonnet 2854 (GP39-2) crests the 2% grade at Burkes Hill in Louisville, Colorado.

BNSF GP39-2 No. 2854 is leading the Buck Local south through the snow as it heads to Broomfield where it will take the Lafayette Branch to deliver their load