The Prospect Highway is now a secondary link road in the Sydney

Sydney

Sydney is the most populous city in Australia and the state capital of New South Wales. Sydney is located on Australia's south-east coast of the Tasman Sea. As of June 2010, the greater metropolitan area had an approximate population of 4.6 million people...

, Australia

Australia

Australia , officially the Commonwealth of Australia, is a country in the Southern Hemisphere comprising the mainland of the Australian continent, the island of Tasmania, and numerous smaller islands in the Indian and Pacific Oceans. It is the world's sixth-largest country by total area...

 road network. It provides a free alternative link from the M4 Western

M4 Western Motorway

The M4 Western Motorway,, is a motorway in central Sydney, New South Wales, Australia...

 to the M2 Hills

M2 Hills Motorway

The M2 Hills Motorway is a motorway in north-western Sydney, New South Wales, Australia. It forms part of Sydney Metroad 2 and the 110 km Sydney Orbital Network. West of Pennant Hills Road, the M2 is also part of the National Highway.-History:Previously, Sydney's western suburbs were poorly served...

 Motorways, the Westlink M7

Westlink M7

Westlink M7 - formerly Western Sydney Orbital - is one of Sydney, Australia's urban motorways and a part of Metroad 7 and the Sydney Orbital Network. It connects three Metroads: M5 at Prestons, M4 at Eastern Creek and M2 at Baulkham Hills...

 being a toll road.

The highway provides access for many Hills District

Hills District (Sydney)

Hills District or The Hills is a general term for the north-western suburbs of Sydney, in the state of New South Wales, Australia. The Hills District is also referred to as The Sydney Hills and The Hills Shire...

 residents to the M4 for their daily commutes both towards the Sydney CBD and to the west.

The highway takes its name from the Blacktown

Blacktown, New South Wales

Blacktown is a suburb in the City of Blacktown, in Western Sydney, in the state of New South Wales, Australia. Blacktown is located 34 kilometres west of the Sydney central business district and is the administrative centre of the local government area of City of Blacktown.Blacktown is the largest...

 suburb Prospect

Prospect, New South Wales

Prospect is a suburb of Sydney, in the state of New South Wales, Australia. Prospect is located 32 kilometres west of the Sydney central business district in the local government area of the City of Blacktown and is part of the Greater Western Sydney region....

, which it links to Seven Hills

Seven Hills, New South Wales

Seven Hills is a suburb of Sydney, in the state of New South Wales, Australia. Seven Hills is located 34 kilometres west of the Sydney central business district in the local government area of the City of Blacktown. Seven Hills is part of the Greater Western Sydney region...

. Like many highways in the Sydney area, it was formed by linking a series of local roads - including, Abbott Road, Seven Hills Road, Wall Park Avenue and Blacktown Road

Blacktown Road, Sydney

Blacktown Road is a secondary road which links the City of Blacktown to the M4 motorway in Sydney, Australia adjacent to the Great Western Highway....

.