Having been detached from its incoming train, D5631 (formally 31207)

runs round its stock initially heading off towards the signal box in the background. This particular Class 31 was, apart from the last few years of its mainline life, an Eastern Region locomotive variously based at Norwich, Finsbury Park and March. It would have worked throughout the East Anglia network perfectly at home hauling passenger trains as well as freight including work throughout the remains of the M&GN network.