UP's hot Denver - Salt Lake City Z train rambles west through downtown on the evening of the Summer Solstice, 2013.

With plenty of UPS traffic on the head end, Union Pacific's Denver, CO to Salt Lake City, UT expedited intermodal glides west down the Evanston Subdivision at Echo.

Captured on the Summer Solstice, Union Pacific's Denver, CO to Salt Lake City, UT expedited intermodal glides west down the Evanston Sub at Echo, Utah.

Life on the farm...

UP's Denver, CO to Salt Lake City, UT premium intermodal cruises west through Echo, Utah.