Normally the only pair of Z-trains across the Ottumwa Sub run at night. For some reason this eastbound Z-train got delayed on its trip out of Denver, so today's the trip across the Ottumwa Sub wil... (more)

Eastbound Denver to Chicago Z-train passes the intermediate signals at MP 166, between Dahinda and Williamsfield. The signal gang came out on this Sunday and I think they were working on replacing... (more)

At sunrise on January 6, 2011, BNSF's Denver to Chicago Z-train flies eastbound at Barr, Colorado, with the morning sun silhouetting UPS “pup” trailers headed for the Windy City.

BNSF ZDENCHI (Denver to Chicago priority intermodal) passes Barr Lake, Colorado, framed by cottonwoods surrounded by water due to almost-spring snowmelt on March 15, 2011.

The Denver to Chicago intermodal train ZDENCHI hustles by Barr Lake, Colorado, on January 6, 2011, at sunrise.

On the morning of December 2, 2010, BNSF's Denver to Chicago Z-train speeds east at Barr, Colorado. Tomorrow, the trailers riding this train will be hitting the streets of the Windy City.

A pair of Santa Fe Warbonnets pass under the classic Santa Fe signals at McCook.