BNSF 9894 (SD70MAC) runs through Berthoud, Colorado as it heads back to Longmont on the Front Range Sub.

BNSF 9658 sporting an Executive Grinstein wagon wheel paint scheme (SD70MAC) heads south on the Front Range Sub towards Longmont, Colorado.

The Longmont Switch prepares to meet a coal train at Longs Peak siding.

BNSF 4547 is the leader of an odd manifest train out of Casper, Wyoming as it heads up the hill outside of Berthoud on its approach into Longmont. This train was originally a Laurel to Denver mani... (more)

Ex-Burlington Northern SD70MAC No. 9646 leads the "Longmont Switch" north as it breaks the silence in the small town of Berthoud, Colorado, passing by an old dump truck and a pair of gra... (more)

Near Longmont

The Longmont Switch flies north along the picturesque high pastures of rural Boulder County. Long’s Peak and the Colorado Front Range cover the horizon from... (more)

MACs in front of the majestic Colorado Rocky Mountains.

Executive MAC BNSF 9646 pulls into the old Berthoud Depot which sits at the base of the iconic grain silo which has become a landmark for the small town.

A southbound BNSF Cheyenne-Denver manifest climbs up Berthoud Hill next to a farm with a couple of llamas on a gorgeous morning south of Berthoud, Colorado, on June 10, 2019.

Four llamas group together where two of the four watch the "Longmont Switch" led by ex-Burlington Northern SD70MAC Nos. 9621 and 9709 race down Berthoud Hill, near Berthoud, Colorado, on... (more)

A cold front from the north moved in overnight bringing the first measurable snow of the season across the Front Range. BNSF ES44C4 No. 6737 leads a southbound stack train up Berthoud Hill near Be... (more)

A pair of BNSF SD70MACs leads the "Longmont Switch" north near Berthoud, Colorado, by a pack of llamas, two of which are intrigued by the train, on July 26, 2018.

BNSF 7338 (ES44DC) leads a freight from Loveland to Berthoud, Colorado.

A herd of llamas relaxes in the cool evening air, although some get spooked by the "Thoroughbred of Transportation" as it runs light down Berthoud Hill near the town of Berthoud, Colorad... (more)

A group of llamas go about their own business as BNSF ES44C4 No. 4239 leads a northbound manifest down Berthoud Hill near Berthoud, Colorado on April 4, 2018.