Union Pacific GE ES44AC No. 7457 leads a westbound UP stack train over Cienega Creek Bridge near Vail, Arizona, on the morning of April 22, 2017.

Spring is in full swing at Cienega Creek as the Saturday edition of Amtrak's eastbound Sunset Limited rolls over the historic railroad bridge built by the El Paso and Southwestern Railroad on it's... (more)

A westbound Union Pacific stack train soars over Cienega Creek Bridge at Vail, Arizona, on the morning of April 23, 2017.

AAMML crosses Cienega Creek with a train of autos bound for Southern California.

ZMNLA races west in the midst of a parade of westbound traffic on the Gila Sub.

ZMNLA passes a group of hikers in the otherwise desolate landscape east of Tucson.

MWCFW works upgrade out of Vail with a long train of manifest bound for Texas and points east.

A couple SD70Ms and an SD60M lead a 2IDILB at Cienega Creek.

At Cienega Creek, the an extra ILXMN stack train rounds the bend and shows off its length in the background.

On the afternoon of April 22, 2017, a westbound Union Pacific vehicle train crosses Cienega Creek Bridge at Vail, Arizona. UP’s second main track is on a different alignment through the area tha... (more)

An eastbound stack train slowly curves its way through Vail on a hot summers morning

While the stacks and road power insinuate an intermodal, this is actually the LKP36 Wilmot Turn passing under the Cienega Creek bridge.

UP 9051 West glides over Cienega Creek trying to escape storms

KCS4887 leads a WB manifest downgrade through Vail, AZ

UP 7417 leads a westbound manifest train across the Cienega Creek bridge.