"Night Mail" was a Post Office publicity film,
released in 1936, which showed how the night mail train worked. Scenes of mail being
dropped off, and collected, by the "Night Mail" were shot at Crag Bank,
Carnforth.
Night Mail (1936)
Directed by Harry Watt / Basil Wright
Writing credits W.H. Auden
John Grierson (I) / Stuart Legg .... Commentary