CSX has began using DPUs on many of their freight trains, case in point here on today's Q439 as ES44AC 819 brings up the rear as it pushes the end of the train onto Iona Island.
Iowa Interstate 516 is on the point of an ethanol train as it waits to come off the IHB and head towards homerails. Meanwhile, a BNSF auto train waits at the signal to proceed through Blue Island ... (more)