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.
Melbourne and Suburban Railway Company The Melbourne and Suburban Railway Company was a railway company in Victoria, Australia. The company opened a line from Princes Bridge railway station in Melbourne, Australia to Punt Road (Richmond) and South Yarra (then called Gardiners Creek Road) in 1859, Prahran in 1859 and Windsor in 1860, connecting with the St Kilda and Brighton Railway Company's line from St Kilda to Bay Street (now North Brighton) in 1859 and Beach Station (now Brighton Beach) in 1861.