The M5 Motorway is a 28.8-kilometre (17.9 mi) series of tolled motorways located in Sydney, New South Wales designated as route M5. It is part of the Sydney Orbital Network.

The Sydney Orbital Network is a 110 kilometre motorway standard ring road around and through Sydney, the capital of New South Wales in Australia. It runs north from Sydney Airport, underneath the CBD to the North Shore, west to the Hills District, south to Prestons and then east to connect with the airport. Much of the road is privately owned and financed by tolls.