Sydney–Perth Rail Corridor

East–west rail corridor (Australia)
Sydney Sydney–Brisbane railway Sydney–Melbourne railway Main Suburban line Granville Main Western line Orange Broken Hill line Broken Hill NSW/SA border Broken Hill-Crystal Brook line to Adelaide and the Melbourne–Adelaide railway Adelaide-Port Augusta railway Port Augusta Trans-Australian Railway Tarcoola–Darwin railway Trans-Australian Railway SA/WA border Trans-Australian Railway Kalgoorlie Eastern Goldfields Railway Northam Eastern Railway Perth

The Sydney–Perth rail corridor is a 1435 mm (4 ft 8+1⁄2 in) standard gauge railway route that runs for 4352 kilometres (2704 mi) across Australia from Sydney, New South Wales, to Perth, Western Australia. Most of the route is under the control of the Australian Rail Track Corporation.

The corridor is heavily trafficked by long-distance freight trains. As of 2008^[update],^{[needs update]} the rail corridor carried 81 per cent of land freight between the eastern states and Perth, up from 60 per cent in 1996–97; and in November 2007, 3.46 billion gross tonne-kilometres of freight was carried, a record at the time.

As of 2022^[update], major freight operators on the corridor included Pacific National, Aurizon, and SCT Logistics.

The Indian Pacific, an experiential tourism passenger train, operates along the entire route, with the journey typically taking three days. Its sister train, The Ghan, travels over part of the corridor – from Adelaide to Tarcoola – before it proceeds north to Darwin. Some local passenger services operate at each end (in Western Australia and New South Wales) but not in the central part, in South Australia.

Until the route was converted to standard gauge in 1970, differing choices of track gauges by three state governments required passengers and freight to be trans-shipped at Broken Hill, Port Pirie, and Kalgoorlie. These stations were on the following lines (from east to west):

• the New South Wales Government's standard-gauge Sydney–Broken Hill line, opened in 1927
• the Silverton Tramway Company's short narrow-gauge line from Broken Hill to Cockburn, opened in 1888
• the South Australian Government's narrow-gauge Cockburn–Port Pirie line, completed in 1888^: 27
• the Australian federal government's standard-gauge Port Pirie–Port Augusta line, opened in 1937,^: 27 and its contiguous standard-gauge Trans-Australian Railway, opened in 1917 as a major project following Australia's federation
• the Western Australian Government's narrow-gauge Eastern Goldfields Railway from Kalgoorlie to Perth, opened in 1897.