12) Here, for instance, is Swindon, one of a number of what we call railhead distribution centres. Such centres have been established all over the country, and to this one traffic from a wide area of the West of England is con-signed. The train comes in at the right, is unloaded on to the platform, and the merchandise is separated on the platform according to its destinations. The same process, of course, takes place in reverse at the same time – goods coming in by road and being loaded into wagons.