Southern Freeway
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Princes Motorway F6 Freeway / Southern Freeway New South Wales |
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| Princes Motorway near Helensburgh | |
 Princes Motorway
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| Coordinates | |
| Type | Motorway |
| Length | 55.4 km (34 mi) |
| Opened | 1975–1987 |
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| South end | |
| Major suburbs / towns | Helensburgh, Wollongong, Figtree, Dapto |
National Route 1
The Princes Motorway, formerly known as the Southern Freeway is a 55-kilometre (34 mi) predominately dual carriage untolled motorway that links Sydney to Wollongong and further south through the Illawarra region to Albion Park Rail. Part of the Australian Highway 1 network, the motorway is designated with the route number M1, having previously been signposted as F6 (Freeway Route 6) and is sometimes commonly known by this latter name.
As Wollongong and Port Kembla are important industrial centres, freight traffic is heavy. Despite the current decline of the local steel industry, emergence of Wollongong as a commuter city of Sydney has kept the freeway and the adjacent Mount Ousley Road busy.
In the north, the Princes Motorway route starts at Waterfall, taking more or less a parallel route with Princes Highway until the sprawling Bulli Tops interchange (with Appin Road (State Route 69) and Princes Highway). There it continues downhill, avoiding the steep Bulli Pass, and bypasses Wollongong CBD, through Gwynneville and continues for 20 kilometres (12 mi), bypassing the suburb of Yallah, and rejoining the Princes Highway north of Albion Park Rail near the Princes Highway junction with the Illawarra Highway.
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Wikipedia