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.

CSX Q439 snakes down the Hudson River while knocking down CP-43, viewed from the Perkins Memorial Drive overlook on Bear Mountain. Today's train has two gevos on each end and a rather short train ... (more)