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About

Name: WestConnex M4 Widening
Telephone: 1800 660 248

We are building a growing city. WestConnex is part of an integrated transport plan to keep Sydney moving – easing congestion, creating jobs and connecting communities. The new motorway will provide crucial support for Sydney’s long-term economic and population growth.

WestConnex has:

widened the M4 between Parramatta and Homebush, creating an even faster way to bypass 28 sets of traffic lights on Parramatta Road
created smoother road surfaces and new access points to the New M4 between Parramatta and Homebush
lengthened the on and off-ramps at the King Georges Road M5 interchange, providing more capacity and reducing congestion for motorists.

WestConnex will:

extend the M4 in twin underground tunnels from Homebush to Haberfield
double road capacity along the M5 East corridor with the New M5 underground tunnels running between St Peters and Kingsgrove
join these underground routes together via the M4–M5 Link tunnel to form a seamless motorway without traffic lights
provide a western bypass of the Sydney CBD; and
provide connections to the future Western Harbour Tunnel, BeachesLink, F6 extension and major international gateways at Sydney Airport and Port Botany.

Key benefits

	Driving our economy and creating jobs Support Sydney’s long-term economic growth with improved motorway access and connections to western Sydney and key employment hubs across the city Provide vital links to Sydney’s major international gateways at Sydney Airport and Port Botany Deliver over 10,000 jobs – directly and indirectly Make life easier for hundreds of tradies, couriers and freight operators who rely on Sydney’s roads every day.
	Connecting communities Shift traffic and heavy vehicles to the underground motorway, returning local streets to local communities Provide over 14 kilometres of new and upgraded cycle and pedestrian paths, linked to existing cycleways Enable new public transport options in key corridors including along Parramatta and Victoria Roads.
	Easing congestion Provide extra motorway capacity for through traffic, reducing the strain on local roads Remove bottlenecks and relieve congestion for hundreds of thousands of road users struggling in traffic every day Improve the speed, reliability and safety of travel across the city Reduce the $6 billion annual cost of congestion in Sydney Provide a bypass of up to 52 sets of traffic signals.
	Making Sydney a more liveable city Reduce traffic on local streets, creating opportunities for urban renewal and improved public and active transport options Deliver more than 18 hectares of new recreational green space for local communities Reduce greenhouse gas emissions by over 610,000 tonnes per annum Reduce traffic on surface roads, creating opportunities for urban renewal and improved public and active transport options Provide for the future by improving connections to the future Western Harbour Tunnel, BeachesLink, F6 extension and major international gateways at Sydney Airport and Port Botany.