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| M1 A1 B1 | Princes Highway, South Eastern Freeway, Glen Osmond Road, Fullarton Road, Dequetteville Terrace, Hackney Road, Main Road, Park Road, Robe Terrace, Main North Road, Port Wakefield Road, Port Wakefield Highway, Augusta Highway & Eyre Highway (M1 / A1 / B1) |
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Route Numbering:
General Information:
Highway 1 runs right around Australia, however with the introduction of alphanumeric routes, highway 1 takes on all different identifications depending on its importance and road design.
In South Australia, it's numbered with several designations:
The Princes Highway links Adelaide, Melbourne and Sydney. The highway was first proclaimed from Sydney to Melbourne in the 1920s, it was later extended through western Victoria and eventually to Adelaide.
Towns along this section of Highway include Mount Gambier, Millicent, Kingston SE, Meningie, Tailem Bend, Murray Bridge, Nairne, Mount Barker and Adelaide. The route varies from 2 lane rural highway standard to full freeway standard and includes the Adelaide-Crafers Freeway which features twin-tube 600 metre tunnels, which decend the Mt Lofty Ranges by 430 metres over a distance of 10 kilometres. 2
Connecting the Adelaide central business district with the Adelaide Hills via the Adelaide-Crafers Highway, Glen Osmond Road carries half of Adelaide's freight traffic and is the major hills commuter route.
Main North Road is the major arterial route between Adelaide's CBD and the northern suburbs. The A1 section of Main North Road travels from North Adelaide to Gepps Cross.
Named after Edward John Eyre the Eyre Highway is a highway linking Western Australia and South Australia. It forms part of Highway 1 and the Australian National Highway network linking Perth and Adelaide. It is the only sealed road that crosses the SA/WA border. 3
Access to the spectacular coastline of Great Australian Bight is just a short detour south of the highway in many places. Towns and localites along this section of Highway 1 include Border Village, Nullarbor, Yalata, Nundroo, Penong, Ceduna and Port Augusta.
Port Wakefield Road branches off of Main North Road at Gepps Cross in the northern suburbs of Adelaide. The highway is dual-carriageway until Port Wakefield and connects Adelaide to Port Augusta. Towns and cities along the route include Adelaide, Two Wells, Port Wakefield, Snowtown, Crystal Brook, Port Pirie, Port Germein, Stirling North and Port Augusta. The route name changes from Port Wakefield Rd to Port Wakefield Hwy at the Northern Expwy (M2) interchange at Waterloo Corner
History:
Princes Highway (A1, B1, A1, M1) (Includes Jubilee Hwy and South Eastern Fwy):
Port Wakefield Road, Port Wakefield Highway & Augusta Highway (A1):
Eyre Highway (A1):
Click inside the green boxes on the map below to view each segment of the route.
1 Location SA Map Viewer
2 Government of South Australia, Department of Planning, Transport and Infrastructure, Completed projects, The Adelaide Crafers Highway Project
3 History Trust of South Australia
4 RoadTechnology.com, Adelaide Crafers Highway
5 Australian Government's Department of Infrastructure, Transport, Regional Development and Local Government
Last updated: 08-Jul-2020 15:32
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