 By the late 1920s the sheer volume of traffic in the movement of coal, and the corresponding flow of empty wagons, had created serious problems on the branch once again, this time complicated by the passenger service.Eastern United Colliery was in a fairly cramped position and had limited siding space, which required regular clearance, especially during the winter when the colliery was at full output.During the summer there was the problem of loaded wagons of coal awaiting orders.