BNSF 2697 (GP39-3) runs down Burks Hill in Louisville, Colorado.

BNSF 2697 (GP39-2) leads the Buck Local down Burkes Hill in Louisville, Colorado as it heads back to Longmont on the Front Range Sub.

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.