Great Western Railway pannier tank 7715 heads empty stock into Berwyn Station from Berwyn Loop having run around its train. The run round loop was located beyond the viaduct.
Great Western Railway pannier tank 7715 after arrival at Berwyn from Llangollen. The locomotive will then cross the viaduct and run around its train before returning. After services were extended beyond Berwyn the run round loop was removed. Note that the platform extension across the viaduct removed by BR had yet to be reinstated.