A loaded Herzog ballast train is about to pass thru CPU 074, Bertram. The train is working west on the UP Clinton Sub in central Iowa between Mount Vernon and Cedar Rapids.

On a warm spring afternoon, the rear unit of the daily Robertson Rock train passes a Union Pacific SD70ACe battling the stiff grade of Beaumont Hill with a manifest in tow.

UP's Roseville to West Colton, CA manifest drifts down UP's Mojave Sub after meeting the MWCRVB at Canyon. MP 474 is above Blue Cut down on BNSF's Cajon Sub.

5451 leads a mixed freight around the curve at monolith