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.
Sydney Metro City &amp; Southwest Sydney Metro City & Southwest is a 30 km rapid transit railway line in Sydney, Australia currently under construction. The project will extend Sydney Metro Northwest from on the North Shore, to in the city's south-west via the Sydney central business district. The centrepiece of the project is a new 15.5 km twin-tunnel rail crossing under Sydney Harbour and through the city to . Together with planned improvements to the Main Western line, the project is expected to increase capacity on the Sydney rail network by up to 60%, and allow for the movement of over 100,000 extra commuters across the network every hour.