Runaway Railway is a 1965 British family adventure film directed by Jan Darnley-Smith and starring John Moulder-Brown, Kevin Bennett, Ronnie Barker and Graham Stark.

It was filmed at Longmoor Military Railway, Paddington Station and Pinewood Studios.

[3] The Monthly Film Bulletin wrote: "The opportunities afforded by railway trains for high speed and plenty of action are splendidly exploited.

The models that the crooks buy to demonstrate to the children include outmoded raised-base track which, as many juveniles will know, has been off the market for some considerable time.

One would have thought it possible to mask the offending lettering for the occasion, and it is easy to imagine indignant correspondence from young critics over these and other discrepancies.