Watch Sadisflix. The British Railways modernisation programme of the 1960s radically changed the rail network, and the British Transport Films unit and the TV news were there to capture it. Compiled here is never before released colour footage of Southern steam at Waterloo (with Nine Elms depot), all the major London stations, The Blue Pullman and early diesels, The Golden Arrow and Night Ferry service, goods and mail, steam on the Metropolitan Railway and building the Victoria Line.