Roy first became involved with working on the FR as a volunteer in early 1955. His account of early days can be found in The Pioneers' Stories. He became a founder member of the London Area Group of the Society and was present at the inaugural meeting on December 1st 1955.
He was editor of The Volunteers' Manual first published by the London Area Group, and in later editions by the Society and then the Company.
- Cunningham R in Great Railway Eras, Festiniog 1946 - 1955: The Pioneers' Stories (2007) Davies M and Mitchell V, page 30, Middleton Press, Midhurst, West Sussex, GU29 9AZ.
- Cunningham, Roy (1965). The Volunteer's Manual. Harbour Station, Portmadoc, Caerns.: Festiniog Railway Society Limited.