A large and colorful rainbow provides the backdrop as BNSF 1746 (SD40-2) runs west on the Brush Sub between Hudson, Colorado and Denver.

Progress Rail Leasing has two SD40-2 motors working the BNSF intermodal facility in Hudson, Colorado.

A former US Army RS4TC works the terminal in Hudson, Colorado.

BNSF 1746 (SD40-2) heads towards Denver on the Brush Sub at Hudson, Colorado.

A bright Colorado sunrise catches BNSF 6101 (ES44AC) as it leads a freight towards Hudson, Colorado on the Brush Sub.

BNSF 1746 (SD40-2) leads the local from Hudson to Denver, Colorado on the Brush Sub.

Hudson Terminal Railroad's #4027 (RS4TC) runs into the yard and will begin sorting oil cans.

BNSF 1746 (SD40-2) runs through Hudson, Colorado, and leaves behind a rainbow that has developed from a massive thunderstorm that has just passed over the area.

PRLX 4102 at BNSF's Intermodal terminal at Hudson, CO.

BNSF 1984 (SD40-2) sorts a cut of oil cans at Hudson, Colorado.

Hudson Terminal Railroad's #4102 (SD40-2) works a cut of stack cars at the terminal facility in Hudson, Colorado.

BNSF 1958 (SD40-2) works the yard in Hudson, Colorado.

BNSF 5628 (AC4400CW) with four other motors notch up as they climb the grade out of Hudson, Colorado on the Brush Sub.

BNSF 9299 (SD70ACe) muscles a coal train on the Brush Sub as it runs through Hudson, Colorado.

BNSF 8479 (SD70ACe) leads a loaded coal train through Hudson, Colorado as it heads west on the Brush Sub.