Union Pacific rolls south in bitter cold.
One of the morning's rush of trains past the Bluffs.
Union Pacific's Denver, CO to Salt Lake City, UT expedited intermodal makes an appearance at Echo with all EMD power in the lead.
The ZNPOA lead by UP 4225 crosses over Westbridge in West Davis, CA.
Heading North from Wichita under the first storm clouds of 2003.
