The Ghan Katherine and Darwin; the stops at Alice Springs and Katherine allow time for passengers to take optional tours. Each train has 16 to 38 stainless steel carriages, built by Comeng, Granville, in the late 1960s / early 1970s for the "Indian Pacific", plus a motorail wagon. A Pacific National NR class locomotive, plus a second locomotive if necessary, usually hauls the train, but occasionally other engines assist, such as an AN class or a DL class locomotive. Starting in August 1929, "The Ghan" ran on the Central Australian Railway, originally built as a narrow-gauge railway to Alice Springs. In 1957,
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