List of road routes in New South Wales
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Road routes in New South Wales assist drivers navigating roads in urban, rural, and scenic areas of the state. Today all numbered routes in the state are allocated a letter (M, A, B or D) in addition to a one- or -two digit number, with 'M' routes denoting motorways, 'A' routes denoting routes of national significance, 'B' routes denoting routes of state significance, and 'D' for Detour routes of a major motorway. The route system includes the officially designated highways, urban and intercity motorways and arterial roads, and important cross-state roads that have not been declared highways.
This article is about alphanumeric road routes in New South Wales. For numeric road routes, see List of road routes in NSW (numeric).