BNSF 9709 (Grinstein SD70MAC) runs light as it heads south towards Longmont, Colorado on the Front Range Sub.

A pair of BNSF SD70MACs tie down at the depot in Longmont, Colorado after dropping off a string of cars in the downtown yard.

BNSF SD70MACe #9716 at Longmont, CO.

BNSF 9716 (SD70MAC) leans on an uneven house track by the old C&S depot in Longmont, Colorado.

A bright Colorado sunrise catches BNSF 9716 (SD70MAC) sitting at the old Colorado & Southern depot in Longmont, Colorado.

A pair of SD70MAC's run light as they head south on the Front Range Sub through Fort Collins, Colorado.

BNSF 9716 (SD70MAC) leads 'The Switch' back to Longmont, Colorado on the Front Range Sub.

BNSF MAC 9716 gets ready to squeeze past a trailer as it runs towards the depot in Longmont, Colorado.

BNSF 9716 (SD70MAC) runs past the Longmont Depot as it heads south on the Front Range Sub.

BNSF 9716 (SD70MAC) leads the Switch down Atwood Street in Longmont, Colorado.

BNSF 9716 (SD70MACe) moves a freight to the yard in Longmont, Colorado.

BNSF 9716 (SD70MAC) moves through the yard in Longmont, Colorado.

BNSF 9716 (SD70MACe) pulls a freight in front of the historic Colorado & Southern depot in Longmont, Colorado.

BNSF 9716 (SD70MACe) leads a freight down Atwood Street in Longmont, Colorado.

BNSF 9716 (SD70MAC) ties down for the evening in Longmont, Colorado.