High Quality Content by WIKIPEDIA articles! The M5 South Western Motorway (also known as the M5 South West Motorway, M5 Motorway or simply M5) is a privately operated tolled motorway in south-western Sydney, New South Wales, Australia. It forms part of Sydney Metroad 5 and the Sydney Orbital Network. The M5 South Western Motorway (completed August 1992) is a separate entity to the publicly funded M5 East Freeway (completed December 2001), which extends east of King Georges Road.