The Dukes Highway is an important highway corridor which links the Australian cities, Adelaide and Melbourne. The Dukes Highway is part of the National Highway system spanning Australia, and is signed as National Highway A8. The highway continues in Victoria as the Western Highway, with the same route signage. The length of the highway on the South Australian side is around 191km, joining onto the Western Highway which is 443km.
Generally, the quality of the Dukes Highway is of a great standard, although much of the road has unsealed shoulders. The remaining secion of the highway after Bordertown, the last town before the South Australian/Victorian border was built on unstable ground and the surface is very undulating. The Australian Federal Government plans to fund the resurfacing and shoulder-sealing of the Dukes Highway as part of the Federal Government's AusLink land transport plan.
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