Try these links to see two classic short films on You Tube
Firstly, Night Mail, is a 1936 documentary film about a London, Midland and Scottish Railway (LMS) mail train from London to Scotland, produced by the GPO Film Unit. The film ends with a “verse commentary” by W. H. Auden, written for existing footage. Benjamin Britten scored the film.
Secondly, Terminus is a 1961 British Transport Film documentary (filmed in August, 1960) directed by John Schlesinger which presents a “fly-on-the-wall” look at an ordinary day at Waterloo station in London. Original music was by Ron Grainer.