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South West roads plan

September 5, 2025 9:13 am in by

Seven major road corridors in Sydney’s rapidly growing south-west have been identified for future upgrades under a $65 million joint planning initiative by the Australian and New South Wales governments.

The expanded South West Sydney Roads – Planning Project aims to ease traffic congestion, improve road safety, and support ongoing housing and job growth in Sydney’s Greater Macarthur and South West regions.

Business cases and planning investigations will be prepared for the seven priority corridors, which together comprise some 76.5 km of roads that carry more than 100,000 vehicles daily.

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These will provide a road map of staged delivery of improvements including widening key routes, adding new entry and exits points, new intersections and town centre bypasses.

The focus is on busting road congestion, improving safety and supporting ongoing housing and job growth as the South West and Greater Macarthur communities grow.

These routes are vital links between residential communities, employment hubs and freight routes. It is essential to plan for the infrastructure the region needs now, and to plan for the next round of major road infrastructure projects. Planning for jointly funded upgrades have been identified for four key corridors, including:

Hume Motorway – Narellan Road to Picton Road: A strategic options plan and access strategy will examine improvements to entry and exit points and traffic flow along this critical freight route, which carries more than 52,000 vehicles daily.

Cowpasture Road – M7 Motorway to Camden Valley Way: Widening from four to six lanes is proposed to support housing development around Bradfield City and the Western Sydney Airport precinct. The corridor currently sees more than 41,000 vehicles each day.

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Camden Valley Way – M5 Motorway to Narellan Road: Also set for widening from four to six lanes, this route services suburbs that have grown significantly in recent years, adding over 20,000 residents and 5,000 jobs.

Menangle Road – Tindall Street, Campbelltown to Cummins Road, Menangle Park: Widening is planned to boost capacity along what is seen as an increasingly important local corridor. 

Additionally, three more corridors will now be investigated and plans developed as part of the $65 million program:

Campbelltown Road – between the Hume Highway and Brooks Road – proposed to expand from two to four lanes to improve safety and reduce congestion for the 34,000 vehicles using it daily.

Appin town centre bypass – to divert traffic away from the historic village and prepare for future demand.

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Jersey Road – from Oran Park to Bradfield – subject to a planning study to support better public transport connections and road access between two of the region’s fastest-growing centres. Oran Park is forecast to create more than 2,500 jobs by 2026

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