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.
Limestone Coast Railway The Limestone Coast Railway was a tourist railway in the Australian state of South Australia which operated a tourist service from 1998 to 2006 between Mount Gambier and stations at Penola and Tantanoola on the Mount Gambier and Millicent lines which have been closed for freight services since April 1995.