What appears to be a NS trailer train is actually a yard job called the changer. Horsehead unit has just come off the layoff track at far left and is setting out cars here in the river track area,... (more)

NS train identified as "changer" pulls trailer train west off the layoff track along the Lehigh River behind a horsehead unit; the job requires some of the trailers to be set out in the small yard... (more)