Westbound from Dale Heavy grain is nearing the cut and Hermosa Tunnels west of Dale Wyoming.
A westbound Union Pacific manifest freight crosses the Brazos River Bridge at Richmond, Texas, on March 12, 2013.
Working up the hill out of Caliente towards tunnel 2.
A northbound extra crossing Dry Creek Trestle along the northslope of California's Mt. Shasta in the mid afternoon.
The Los Angeles to Atlanta (NS interchange) Z works upgrade near El Casco.
With the temperature below zero, an eastbound UP stack train heads for a crew change as the ADM plant pours out towering columns of steam.