The Ghan the standard gauge Stirling North to Marree line opened, and the Ghan was curtailed to operate only north of Marree. In October 1980 the remainder of the line was replaced by a standard-gauge line built to the west of the original line. An extension north from Alice Springs to Darwin opened in January 2004. Construction of what was then known as the Port Augusta to Government Gums Railway began in 1878 when Premier of South Australia William Jervois broke ground at Port Augusta. The line reached Hawker in June 1880, Beltana in July 1881, Marree in January 1884 and Oodnadatta
Enterprise (train service) DDF). At this point the service, which had operated under either the IÉ or NIR brands, was branded separately as Enterprise. The service has suffered disruption, particularly during the Troubles, when it was regularly halted by bomb threats. These became so frequent and caused such considerable disruption to the service that a campaigning group, the Peace Train Organisation was formed in 1989. Since the Northern Ireland peace process, however, such disruption has diminished. Renewed investment in recent years has seen the line upgraded to continuously welded track capable of running along the southern part of the route, as part of