North Western Expressway

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The North Western Expressway and the Lane Cove Valley Expressway was a planned but later cancelled freeway route in Sydney, New South Wales, Australia, intended to link the Sydney central business district to its north-western suburbs, and ultimately the Sydney–Newcastle Freeway to Newcastle. The entirety of the Sydney to Newcastle route was to be known as the F3 Freeway, a name that remains as a common name of the Sydney–Newcastle Freeway.

The North Western Expressway refers to the section between the Western Distributor and Victoria Road at Huntleys Point, while the Lane Cove Valley Expressway refers to the section between Huntleys Point and Wahroonga, passing through Lane Cove Valley.