A westbound stack train moves out of Tucson Yard while a Eastbound stack train moves in the yard, passing downtown Tucson in the process.

Eastbound on Track 2.

Eastbound on Track 1.

The 9465 leads its counterparts westbound while passing the Port of Tucson intermodal ramp, and transload facility on the east side of Tucson.

As the sun pokes under a monsoon cumulonimbus cloud the 4018 rolls westward at restricted speed into the yard.

Empty unit grain train heads east out of Tucson.

Eastbound autoracks on track 2.

Eastbound leaving Tucson.

West bound manifest waits to enter Tucson yard.

UP 1872 heads east.