On 1 January 1948, under the provisions of the Transport Act 1947, the London Passenger Transport Board was nationalised and renamed the London Transport Executive, becoming a subsidiary organisation of the British Transport Commission, which was formed on the same day.
Den 1. januar 1948 blev London Passenger Transport Board nationaliseret under bestemmelserne i Transport Act 1947 og omdøbt til London Transport Executive, der blev datterselskab til British Transport Commission, der blev dannet samme day.