On RTT there appears to be an ECS move from Wembley LMD to Bristol Barton Mill and back, under the headcodes 5C65 and 3M65. Does anyone know the purposes of these moves, perhaps as driver training?
https://www.realtimetrains.co.uk/service/gb-nr:K20159/2024-01-08/detailed https://www.realtimetrains.co.uk/service/gb-nr:K20160/2024-01-08/detailed
https://www.realtimetrains.co.uk/service/gb-nr:K20159/2024-01-08/detailed https://www.realtimetrains.co.uk/service/gb-nr:K20160/2024-01-08/detailed