Highway 1 (Northern Territory)
In the Northern Territory, Highway 1 is a long route with a long spur, that connects Darwin to northern Western Australia and Queensland. The route traverses the territory, from the Western Australian border near Kununurra, to Katherine, and then across to the Queensland border near Wollogorang, with a spur section linking Katherine to Darwin. Highway 1 continues around the rest of Australia, joining all mainland state capitals, and connecting major centres in Tasmania. All roads within the Highway 1 system are allocated a road route numbered 1, M1, A1, or B1, depending on the state route  numbering system. In the Northern Territory, the highway is designated as National Highway 1 where it is concurrent with the National Highway routes linking Darwin to Adelaide and Perth. The eastern section from Daly Waters to Queensland is designated as National Route 1. History. Highway 1 was created as part of the National Route Numbering system, adopted in 1955. The route was compiled from an existing network of state and local roads and tracks. Route description. Kununurra to Katherine. The Northern Territory section of Highway 1 begins at the Western Australian border, east of Kununurra. It follows Victoria Highway to  Katherine. Katherine to Darwin. A spur section travels north along Stuart Highway to Darwin. Katherine to Wollogorang. Highway 1 continues south along Stuart Highway to Daly Waters. At Daly Waters, the Stuart Highway continues south towards Adelaide as National Highway 87, whilst Highway 1 turns east along Carpentaria Highway, as National Route 1, to the Queensland border east of Wollogorang