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.
North Australia Railway The North Australia Railway (NAR), also known as the Palmerston to Pine Creek railway, was a narrow gauge railway which ran from Darwin, once known as Palmerston, to Birdum, just south of Larrimah.