A Global 1 to Shops Yard, LA, (Los Angeles, CA Container Facility) stacker hammers upgrade as they works south on the UP Trenton Sub towards KC This is part of the old Rock Island Spineline between St. Paul and KC. The Trenton Sub is the part between Des Moines and KC. In southern Iowa, the Trenton Sub is an up and down battle with topography with many .80% grades. Here, the train is about to Millerton, only about 18 miles from the Missouri boarder.
