Containers and the special wooden decked conflat wagons used to convey them were produced in great numbers by all four of the railway companies. They allowed door to door deliveries via road, rail and road again without the goods to be unloaded at each leg. Post nationalisation, BR built over 20,000 conflat wagons and these continued into service until the arrival of modern standard ISO containers in the 1960??s.
The Dapol Model of the conflate wagon and container features: