Road routes in the Northern Territory assist drivers navigating roads throughout the territory, by identifying important through-routes. The

Northern Territory The Northern Territory (commonly abbreviated as NT; formally the Northern Territory of Australia) is an Australian territory in the central and central northern regions of Australia. The Northern Territory shares its borders with Western Aust ...

's National Highways are the main routes connecting Darwin to the adjacent states of

Queensland ) , nickname = Sunshine State , image_map = Queensland in Australia.svg , map_caption = Location of Queensland in Australia , subdivision_type = Country , subdivision_name = Australia , established_title = Before federation , establishe ...

South Australia South Australia (commonly abbreviated as SA) is a States and territories of Australia, state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest o ...

, and

Western Australia Western Australia (commonly abbreviated as WA) is a state of Australia occupying the western percent of the land area of Australia excluding external territories. It is bounded by the Indian Ocean to the north and west, the Southern Ocean to t ...

. National Routes spur off the National Highways, and are other routes of national importance, while the remaining significant routes are designated as State Routes. According to the

Roads & Maritime Services A road is a linear way for the conveyance of traffic that mostly has an improved surface for use by vehicles (motorized and non-motorized) and pedestrians. Unlike streets, the main function of roads is transportation. There are many types of ...

, the Northern Territory has begun converting their numbered routes to alphanumeric routes, with a "progressive replacement" scheme that sees alphanumeric route markers introduced only when signs are replaced. The table below has a list of most signed alphanumeric routes.

Alphanumeric routes

Below are the existing alpha numeric routes as of November 2020. Even though the Northern Territory has been converting to alphanumerics for more than two decades, only four routes are fully signed, and a former State Route 23 that is missing a letter in all of its signs and just says "23". Signage in the Northern Territory is very inconsistent. For example C24 in not signed at the

Stuart Highway Stuart Highway is a major Australian highway. It runs from Darwin, in the Northern Territory, via Tennant Creek and Alice Springs, to Port Augusta in South Australia; a distance of . Its northern and southern extremities are segments of Aus ...

junction but signed further into the route. Most signs were like this and as such very few routes have been signed in the Northern Territory.

Roads of National Significance (A routes)

A-Routes are major roads that link major destinations like Stuart Highway which connects Darwin to Adelaide.

Roads of State Significance (B routes)

B routes are routes that connect major settlements in the State but not eligible for A Rotes due to Road quality.

Routes of Minor significance (C routes)

These are essentially roads that link minor settlements or areas that aren't eligible for an A or a B route.

National Highways and Routes

There are three national highways and one current existing national route in the Northern Territory.

State Routes

State routes are numbered based on their position in the territory, generally increasing in number from south to north.

References

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Road routes