A westbound UP manifest crosses over from Main 2 to Main 1 at Tower 55 and heads for Centennial Yard. On the rear are unfinished tankcars built at a Trinity Industries plant and headed for its Sag... (more)
An ACE pushes on the rear of an eastbound UP stack train as it departs Centennial Yard. UP has added a number of mainline tracks at the east end of the yard to expedite traffic flow.