Great Western Highway

Great Western Highway New South Wales
Travelling westbound on the Great Western Highway in Springwood
Type	Highway
Length	201 km (125 mi)
Route number(s)	A22 (Chippendale – Summer Hill) No shield (Summer Hill – Ashfield) A4 (Ashfield – North Strathfield) A44 (North Strathfield – Emu Plains) A32 (Lapstone – Bathurst)
Former route number	National Route 31 (1954-1992) Metroad 4 (1992-2000) National Route 32 (1954-1992) Metroad 5 (1992-2001) State Route 31 (2001-2013) (Chippendale – Summer Hill) National Route 32 (1954-1992) Metroad 4 (1992-2000) (Summer Hill – Ashfield) National Route 32 (1954-1992) Metroad 4 (1992-2013) (Ashfield – North Strathfield) National Route 32 (1954-1992) State Route 44 (1992-2013) (North Strathfield – Emu Plains) National Route 32 (1954-2013) (Lapstone – Bathurst)
East end	City Road Chippendale, Sydney
	Liverpool Road M4 Western Motorway Centenary Drive Woodville Road Church Street, Parramatta Cumberland Highway Westlink M7 Wallgrove Road Rooty Hill Road South The Northern Road M4 Western Motorway Bells Line of Road Castlereagh Highway O'Connell Road Bathurst-Ilford Road Mid-Western Highway
West end	Mitchell Highway Bathurst, Sydney
Major settlements	Petersham Ashfield Parramatta Eastern Creek St Marys Penrith Emu Plains Springwood Lawson Katoomba Mount Victoria Lithgow
Highways in Australia National Highway • Freeways in Australia Highways in New South Wales

The Great Western Highway is a 201-kilometre-long (125 mi)state highway in New South Wales, Australia. From east to west, the highway links Sydney with Bathurst, on the state's Central Tablelands.

The eastern terminus of the Great Western Highway is west of Railway Square near the southern fringe of the Sydney CBD where Broadway reaches its western terminus. At the intersection of City Road, it meets the junction of the Princes Highway and its local name changes to Parramatta Road and heads generally west towards Parramatta, with the majority of traffic diverted off the highway and onto the M4 Western Motorway at North Strathfield. At Parramatta, the highway passes the southern fringe of the Parramatta central business district, and then continues due west across western metropolitan Sydney to Penrith, north of the central business district, where it crosses the Nepean River via the 1867 Victoria Bridge. At Leonay, the M4 Western Motorway reconnects with the Great Western Highway and the highway ascends the Blue Mountains, reaching its highest point at Mount Boyce, at an elevation of 1,093 metres (3,586 ft). It intersects at Mount Victoria with the Darling Causeway which heads north to connect with the Bells Line of Road. From Mount Victoria, the highway descends via Victoria Pass into the Hartley Valley and then passes through the western suburbs of Lithgow where it is joined by the Chifley Road, which links eastward back to the Bells Line of Road. The highway continues generally west, intersecting with the Castlereagh Highway west of Marrangaroo, and crosses Coxs River to ascend the Great Dividing Range and over the western ridge of the Sydney basin before dropping into the Macquarie Valley to reach its western terminus at Bathurst, at the junction of the Mitchell Highway and the Mid-Western Highway.

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