Bringing up the rear is 66511 shut down.
09015 comes off the Docks branch with a long rake of BYA and JSA covered steel wagons. I suspect this is a class 8 trip freight to Llanwern steel plant.
A gap in the trees allows the last rays of the day's sun to shine through onto 66231 as it comes off the stabling point and onto the shunting neck.