Pardon me, but there is some re-writing of history here - nationalisation was certainly not seen as a solution to the unsatisfactory private monopolies owned by large groups. There was 20 years between the nationalisation of the two groups - Tillings were inadvertently nationalised in 1948 when the Railways were nationalised. Both groups had railway owned shareholdings, but Tillings were owned more than the percentage where the other shareholders have to be bought out, when the railway came under common ownership. 20 years later BET approached the Govt. to buy them as they didn't want to carry on, due to falling traffic and rising costs and no other prospective buyer. No doubt if Tillings had not been nationalised in 1948 they would have done the same, probably slightly earlier as their companies had a greater proportion of green fields. The 1930 Road Traffic Act, establishing the Traffic Commissioners, had effectively brought the private monopolies under control (and extended them).