Fifteen-inch–gauge railways were pioneered by Sir Arthur Percival Heywood, who was interested in what he termed a minimum-gauge railway for use as estate railways or to be easy to lay on, for instance
Romney, Hythe and Dymchurch Railway
Ravenglass & Eskdale Railway
One of the Chemin de fer Touristique d'Anse's X131 when passing through the hills
The 15 in gauge, single track Lakeside Miniature Railway runs along the seaward side of the Marine Lake in Southport, England.
"Wild West" loco added to the railway's fleet in 2020
Lakeside Miniature Railway, Southport, England. Locomotive "Jenny"
Watford Miniature Railway, Cassiobury Park, Watford geograph.org.uk 64126