In April 1978, three series 50 GE Transportation C36-7 (5057-5059) were delivered by A Goninan-Co, Broadmeadow. These were withdrawn in 1997 and sold in August 1998 to the National Railway Equipment Company and exported to the United States.  All have been leased to the Norfolk Southern Railway. In 2006, one was sold to the Minnesota Commercial Railway and the other two to FIAGRIL, a soybean company in Brazil that entered into a transportation agreement with Brasil Ferrovias-FERRONORTE in San Pablo State and mato Grosso State. Today, the former HI 5058 is owned by ABPF – Brazilian Preservation Railway Association and runs on tourist and special trains. (Rodrigo José Cunha – Railway researcher and abpf member). Versions of this law (including consolidations, reprints and „As passed“ versions in 1972 began a program to relocate the original railways. This year, 12 km (7.46 miles) of 59 kg/m (119 lb/yd) of peak track and dog were replaced by 68 kg/m (137 lb/yd) track and pandrol clips. The replacement program continued until its completion in 1977. Hamersley Iron also organized, from November 1973, the installation of concrete ties in various locations. The trials were successful and, in 1980, work began on the redevelopment of the original railway with concrete ties, a task that was completed in 1986.   Please note that the link to this page has been updated to law_a401.html.
In November 2007, the National Competition Council of Australia received a request from Fortescue Metals Group (FMG) to access part of the hamersley train.  In January 2008, another application was made by the FMG, this time for access to the Robe River Railway.  Previously, in June 2004, the Commission had received a request from the FMG for the use of part of BHP Billiton`s Mount Newman train and part of the Goldsworthy train.  Between October 1971 and June 1980, C.R.R.I.A. took 12 MLW M-636 locomotives (9410-9416 – 9421-9425) in Relocation. In May 1981, another used (9424) was purchased by burlington Northern Railroad.