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Sydney’s M12 motorway, the “driveway” to the new Western Sydney airport, will open this Saturday, the federal and NSW governments have announced.

The NSW premier, Chris Minns, and the federal transport minister, Catherine King, will cut the ribbon on the 16km stretch of road in Sydney’s west this morning, following four years of construction and a combined $2.1bn joint state and federal spend.

Communities in Western Sydney deserve this world-class infrastructure which will ease pressure on local roads, cut travel times and improve connectivity with the rest of Sydney’s road network.

From Saturday, thousands of motorists will have the chance to use this new motorway for the very first time to more quickly and easily get to where they need to go.