Highway 1 (South Australia)
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In South Australia, Highway 1 is a 1,715-kilometre (1,066 mi)[1] long route that follows the coastline of the state, from the Victorian border near Mount Gambier to the Western Australian border near Eucla. Highway 1 continues around the rest of Australia, joining all mainland state capitals, and connecting major centres in Tasmania. All roads within the Highway 1 system are allocated a road route numbered M1, A1, B1 or R1, depending on the state route numbering system. In South Australia, most of the highway is designated as route A1, with multi-lane, dual-carriage-way sections generally designated route M1, and the alignment around the Adelaide CBD designated route R1. South-east of Tailem Bend, it is designated route B1.
This article is about the section of Highway 1 in South Australia. For the entire length of the highway, see Highway 1 (Australia).
Quick Facts Highway 1 South Australia, General information ...
Highway 1 | |
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Map of South Australia with Highway 1 highlighted in red | |
General information | |
Type | Highway |
Length | 1,715 km (1,066 mi)[1] |
Opened | 1955 |
Route number(s) |
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Major junctions | |
SA/VIC border end | near Mount Gambier |
SA/WA border end | near Eucla |
Location(s) | |
Major settlements | Millicent, Kingston SE, Murray Bridge, Mount Barker, Adelaide, Port Wakefield, Port Augusta, Ceduna |
Highway system | |
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