Which company operates the railway line that bounds Peterhead, South Australia on the west side?
Outer Harbor railway line The Outer Harbor railway line is a suburban branch line in Adelaide, South Australia. It runs from Adelaide station through the north western suburbs to Port Adelaide and Outer Harbor. It is 21.9 kilometres in length, and shares part of its run with the Grange line. It is operated by Adelaide Metro.
Great Southern Railway (Western Australia) The Great Southern Railway (GSR) was the name of a railway company that operated from Beverley to Albany in Western Australia between 1886 and 1896. In 1896 the Western Australian Government Railways took over this company and the railway route also kept the name.