166221 Reading Traincare Depot passes through the gates into the Long Marston complex on 7 August 2015 with the 5Z11 09:27 Oxford Down Carriage Siding to Long Marston First Great Western ECS move. 166204 can just be glimpsed on the right, waiting to come out with the 5Z12 12:00 Long Marston to Reading Traincare Depot ECS.