If you have ever been tempted to model a South Australian triple gauge location, Peterborough station yard in the 1970 to 1987 era could be for you.
There have been very few places in the world with triple gauge yards, but South Australia was blessed with three; these were Port Pirie (1937 to 1970), Gladstone and Peterborough.
History
All this complexity of gauges was brought on by the late 1960s standardisation project. This project replaced the then narrow gauge mainline from Broken Hill (via Silverton) to Port Pirie, and effectively isolated the narrow gauge lines out of Gladstone and Peterborough.
As part of the standardisation project, in 1970 Peterborough station and associated yards were extensively rebuilt by the South Australian Railways (SAR). A neweast west standard gauge yard and north-south broad gauge yard were built. These two yards were joined by a dual gauge (broad and standard gauge) transfer yard including an extensive semi mechanical bogie exchange.
Triple gauge livestock sidings,
