List Of Highways In South Australia
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South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...
is distinctly divided into two main areas; the well watered and populated southeastern corner and the arid outback for the rest of the state. As a result, highways are concentrated mainly in the southeast. The Eyre Highway to Perth and Stuart Highway to Darwin are the only significant highways for the remaining part of the state. The remaining roads are outback tracks. This is the list of highways in
South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...
.


Road numbering

Since 1955 South Australia had major rural roads numbered as part of national routes and Highways. In 1998/1999 South Australia introduced "Trailblazers" with A, B and M route numbers in the Metropolitan area and tourist areas of Victor Harbour and the Barossa Valley. This system was extended to cover country uouverreas starting in 1999/2000. These route numbers are used on signs and maps and distinct from the four digit numbers for major roads and eight digit numbers for streets used internally by the Highways Depar Brasil Lixo


Expressways

In South Australia, ''expressway'' may refer to a
controlled access highway A controlled-access highway is a type of highway that has been designed for high-speed vehicular traffic, with all traffic flow—ingress and egress—regulated. Common English terms are freeway, motorway and expressway. Other similar terms i ...
with no at-grade intersections or a
limited access road A limited-access road, known by various terms worldwide, including limited-access highway, dual-carriageway, expressway, limited access freeway, and partial controlled access highway, is a highway or arterial road for high-speed traffic which ...
of slightly lower standard with at-grade intersections at some locations. Currently there are three constructed expressways in
Adelaide Adelaide ( ) is the capital city of South Australia, the state's largest city and the fifth-most populous city in Australia. "Adelaide" may refer to either Greater Adelaide (including the Adelaide Hills) or the Adelaide city centre. The dem ...
: *
Port River Expressway Port River Expressway is a freeway-grade road. The expressway links Port Adelaide and the LeFevre Peninsula across the north-western suburbs of Adelaide to major interstate routes via North-South Motorway. The expressway is only grade-separate ...
, completed in 2008 *
Northern Expressway Northern Expressway, also known as the Fatchen Northern Expressway, is a 21 kilometre long controlled-access highway in Adelaide, South Australia. Since March 2020, the North–South Motorway continues west of Port Wakefield Highway and interse ...
, completed in 2010 *
North–South Motorway The North–South Motorway is a partially complete motorway traversing the inner western suburbs of Adelaide from Waterloo Corner in the north to Bedford Park in the south. Progressively constructed in stages since 2010, once complete it will ...
, made up of (from north to south) ** the Northern Connector, , completed in 2020; ** the South Road Superway, , completed in 2014; ** the Regency Road to Pym Street stretch, , completed in 2021; ** the Torrens to Torrens, , completed in 2018 ** the Torrens to Darlington project , construction due to start 2023; ** The Gateway South Project (extended the Southern Expressway from Darlington to Tonsley, completed 2019) ** Southern Expressway (formerly the world's longest reversible one way freeway), completed in 1997, with duplication completed in 2014


National highways


Metropolitan

*
South Eastern Freeway South Eastern Freeway is a freeway in South Australia (SA). It is a part of the National Highway network linking the state capital cities of Adelaide, SA, and Melbourne, Victoria, and signed as National Highway M1. It carries traffic over t ...
''northwestern end'' *
Northern Expressway Northern Expressway, also known as the Fatchen Northern Expressway, is a 21 kilometre long controlled-access highway in Adelaide, South Australia. Since March 2020, the North–South Motorway continues west of Port Wakefield Highway and interse ...
*
Port Wakefield Road Port Wakefield Highway (and its southern section as Port Wakefield Road) is an important South Australian highway, connecting Adelaide to the Yorke Peninsula, Port Augusta, northern and western South Australia, the Northern Territory and Wester ...
*
South Road South Road and its southern section as Main South Road outside of Adelaide is a major north–south conduit connecting Adelaide and the Fleurieu Peninsula, in South Australia. It is one of Adelaide's most important arterial and bypass roads. As ...
*
Salisbury Highway Salisbury Highway (and its northern section as John Rice Avenue) is a 15 kilometre major connecting road in the northern suburbs of the Adelaide metropolitan area. It is designated part of route A9. Route Salisbury Highway starts at the interch ...
*
Grand Junction Road Grand Junction Road is the longest east–west thoroughfare in the Adelaide metropolitan area, traversing through Adelaide's northern suburbs approximately 8 kilometres north of the Adelaide city centre. Route Travelling from the Port Adelaide r ...
* **Hampstead Road **Taunton Road **Ascot Avenue **Lower Portrush Road **
Portrush Road Portrush Road is a major arterial route through the eastern suburbs of Adelaide, the capital of South Australia. This name covers many consecutive streets and is not widely known to most drivers except for the southernmost section, as the entire ...


Rural

*
South Eastern Freeway South Eastern Freeway is a freeway in South Australia (SA). It is a part of the National Highway network linking the state capital cities of Adelaide, SA, and Melbourne, Victoria, and signed as National Highway M1. It carries traffic over t ...
''– Majority'' * **
Eyre Highway Eyre Highway is a highway linking Western Australia and South Australia via the Nullarbor Plain. Signed as National Highways 1 and A1, it forms part of Highway 1 and the Australian National Highway network linking Perth and Adelaide. It ...
**
Augusta Highway Augusta Highway is the part of Australia's ring route (Highway 1) located in South Australia between Port Wakefield and Port Augusta. Route Augusta Highway starts at the intersection with Eyre and Stuart Highways in Port Augusta West, then ...
**
Port Wakefield Highway Port Wakefield Highway (and its southern section as Port Wakefield Road) is an important South Australian highway, connecting Adelaide to the Yorke Peninsula, Port Augusta, northern and western South Australia, the Northern Territory and Weste ...
** Princes Highway *
Dukes Highway Dukes Highway is a 190 kilometre highway corridor in South Australia which is part of the link between the Australian cities of Adelaide and Melbourne. It is part of the National Highway system spanning Australia, and is signed as route A8. Ro ...
* Sturt Highway *
Stuart Highway Stuart Highway is a major Australian highway. It runs from Darwin, in the Northern Territory, via Tennant Creek and Alice Springs, to Port Augusta in South Australia; a distance of . Its northern and southern extremities are segments of Aus ...


State highways


Metropolitan

*
City Ring Route, Adelaide Adelaide has two city ring routes, that loop around the Adelaide city centre and North Adelaide, known as the Inner and Outer Ring Routes. Inner ring route The Inner Ring Route is a collection of major roads signposted as state route R1 (was A ...
*
Port Wakefield Road Port Wakefield Highway (and its southern section as Port Wakefield Road) is an important South Australian highway, connecting Adelaide to the Yorke Peninsula, Port Augusta, northern and western South Australia, the Northern Territory and Wester ...
* Southern Expressway *
Main South Road South Road and its southern section as Main South Road outside of Adelaide is a major north–south conduit connecting Adelaide and the Fleurieu Peninsula, in South Australia. It is one of Adelaide's most important arterial and bypass roads. As ...
* Cross Road * Anzac Highway * Sir Donald Bradman Drive * Port Road *
Port River Expressway Port River Expressway is a freeway-grade road. The expressway links Port Adelaide and the LeFevre Peninsula across the north-western suburbs of Adelaide to major interstate routes via North-South Motorway. The expressway is only grade-separate ...
*
Salisbury Highway Salisbury Highway (and its northern section as John Rice Avenue) is a 15 kilometre major connecting road in the northern suburbs of the Adelaide metropolitan area. It is designated part of route A9. Route Salisbury Highway starts at the interch ...
* North East Road ( Adelaide–Mannum Road) *
Lower North East Road Lower North East Road (and its southwestern sections as North Terrace and Payneham Road) is an arterial road in the northeastern suburbs of Adelaide, South Australia. It links the north-eastern corner of Adelaide to Houghton in the Adelaide Hi ...
*
Marion Road Marion Road is a north–south arterial road through the western suburbs of Adelaide, South Australia, named after its traversal through the suburb of Marion and the local government area of City of Marion. It is designated part of route A14. ...
*
Tapleys Hill Road Tapleys Hill Road is a north–south arterial road which runs parallel to the coast through western Adelaide, Australia. This name covers many consecutive streets and is not widely known to most drivers except for the northernmost section, as th ...
*
Grand Junction Road Grand Junction Road is the longest east–west thoroughfare in the Adelaide metropolitan area, traversing through Adelaide's northern suburbs approximately 8 kilometres north of the Adelaide city centre. Route Travelling from the Port Adelaide r ...
*
Portrush Road Portrush Road is a major arterial route through the eastern suburbs of Adelaide, the capital of South Australia. This name covers many consecutive streets and is not widely known to most drivers except for the southernmost section, as the entire ...
*
McIntyre Road McIntyre Road (and its northern sections as Kings Road and Bolivar Road) is an arterial road crossing through northern and northeastern suburbs of Adelaide in South Australia. It is designated route A18. Route Kings Road crosses the northern sub ...
*
Main North Road Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia. It continues north through the settled areas of South Australia and is a total of long, fro ...
*
Torrens Road Torrens Road is an arterial road in the northwestern suburbs of Adelaide, Australia. The road is aligned southeast to northwest and is parallel with Port Road for most of its length. Route It commences at the City Ring Route along the edge of ...


Rural

* Princes Highway * Princes Highway *
Mallee Highway Mallee Highway (formerly Ouyen Highway in Victoria) is a highway in south-eastern South Australia and north-western Victoria, running mostly across the Mallee plains. It forms part of the shortest route between Adelaide and Sydney. Route Mallee ...
* Barossa Valley Way * **
Main South Road South Road and its southern section as Main South Road outside of Adelaide is a major north–south conduit connecting Adelaide and the Fleurieu Peninsula, in South Australia. It is one of Adelaide's most important arterial and bypass roads. As ...
**
Playford Highway Playford Highway (with Telegraph Road and Kohinoor Road through Kingscote at its eastern end, and Cape Borda Road at its western end) is a main road on Kangaroo Island in South Australia, with its eastern end designated part of route B23. It ext ...
*
Barrier Highway Barrier Highway is a highway in South Australia and New South Wales, and is designated part of route A32. The name of the highway is derived from the Barrier Ranges, an area of moderately high ground in the far west of New South Wales, through w ...
*
Karoonda Highway Karoonda Highway is a state-controlled highway in South Australia linking the Murray River towns of Murray Bridge and Loxton. It was created after local councils called for the renaming of the B55 road route. Route Karoonda Highway begins a ...
*
Wilmington–Ucolta Road Wilmington–Ucolta Road is a 100 kilometre major road connecting Port Augusta to Peterborough and beyond to Broken Hill, in South Australia. This name covers many consecutive streets and is not widely known to most drivers except, as the ent ...
* ** Browns Well Highway **
Ngarkat Highway Ngarkat Highway is a road in the southeastern part of South Australia, connecting Pinnaroo and Bordertown. It is designated as part of route B57 which continues north from Pinnaroo along Browns Well Highway to Loxton (concurrent with B12 on ...
**Naracoorte Road *
Goyder Highway Goyder Highway (B64) is a west–east link through the Mid North region of South Australia connecting Spencer Gulf to the Riverland. It is part of the most direct road route from Port Augusta (and areas beyond including Eyre Peninsula, Western A ...
*
Riddoch Highway Riddoch Highway is a rural highway in south-eastern South Australia, designated as route A66 between Keith and Mount Gambier, with the remainder between Mount Gambier and Port MacDonnell designated as route B66. It is named after John Riddoch, t ...
*
RM Williams Way RM Williams Way (route B80) is a road through the Yorke and Mid North region of South Australia connecting Clare in the south through Spalding, Jamestown and Orroroo to Hawker in the Flinders Ranges. The road was named after R. M. Williams wh ...
*
Horrocks Highway Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia. It continues north through the settled areas of South Australia and is a total of long, fro ...
*
Flinders Ranges Way Flinders Ranges Way (route B83) is the main road route through the Flinders Ranges in South Australia. It starts from the Augusta Highway at Stirling North, 6 km southeast of Port Augusta. The Flinders Ranges Way extends 209 km to Blin ...
*
Copper Coast Highway Copper Coast Highway is a highway in South Australia which branches off from the Augusta and Port Wakefield Highways 2 km north of Port Wakefield, and heads northwest across the top of Yorke Peninsula to Kadina, ending at the Spencer Gul ...
* Yorke Highway * St Vincent Highway *
Tod Highway Tod Highway is an important 177 kilometre highway serving South Australia's Eyre Peninsula's wheatbelt, and is designated route B90. It is named after Robert Tod who explored the area in 1839. Route Tod Highway begins from Eyre Highway at Kyanc ...
*
Birdseye Highway Birdseye Highway is an east–west road across Eyre Peninsula in South Australia. It was named for Sylvia Birdseye who drove the first bus service to the area from Adelaide for 43 years, starting in 1928, and is the first highway in South Austra ...
* ** Flinders Highway **
Lincoln Highway The Lincoln Highway is the first transcontinental highway in the United States and one of the first highways designed expressly for automobiles. Conceived in 1912 by Indiana entrepreneur Carl G. Fisher, and formally dedicated October 31, 1913 ...
* Southern Ports Highway


Major arterial roads

* **Glen Osmond Road **
Main North Road Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia. It continues north through the settled areas of South Australia and is a total of long, fro ...
*
South Road South Road and its southern section as Main South Road outside of Adelaide is a major north–south conduit connecting Adelaide and the Fleurieu Peninsula, in South Australia. It is one of Adelaide's most important arterial and bypass roads. As ...
* Cross Road * ** Sir Donald Bradman Drive **Burbridge Road * Port Road * ** Adelaide–Mannum Road **North East Road *
Victor Harbor Road Victor Harbor Road (and its southern sections Adelaide Road, Hindmarsh Road and Torrens Street through Victor Harbor) is a major road in South Australia that runs south from Main South Road at Old Noarlunga on the southern fringes of suburban ...
* **
Tapleys Hill Road Tapleys Hill Road is a north–south arterial road which runs parallel to the coast through western Adelaide, Australia. This name covers many consecutive streets and is not widely known to most drivers except for the northernmost section, as th ...
**Brighton Road **Ocean Boulevard **Lonsdale Road **Dyson Road * **
Grand Junction Road Grand Junction Road is the longest east–west thoroughfare in the Adelaide metropolitan area, traversing through Adelaide's northern suburbs approximately 8 kilometres north of the Adelaide city centre. Route Travelling from the Port Adelaide r ...
** Victoria Road * **Mcintyre Road **Kings Road * **
Mount Barker Road Mount Barker Road was once the main road from Adelaide through the Adelaide Hills to Mount Barker on the eastern slopes of the Mount Lofty Ranges. The main route has now been replaced, or subsumed into, the South Eastern Freeway, but two sectio ...
** Strathalbyn Road * **
Onkaparinga Valley Road Onkaparinga Valley Road is a South Australian secondary road, connecting the towns of Birdwood, Woodside, Balhannah and Verdun within the Adelaide Hills. It is designated part of route B34. Major intersections Onkaparinga Valley Road is enti ...
**Echunga Road **Battunga Road **Brookman Road **Old Willunga Hill Road (Brookman Rd to Victor Harbor Rd) **Victor Harbor Rd (Old Willunga Hill Rd to Pages Flat Rd, also A13) **Pages Flat Road * Wellington Road * **
Main North Road Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia. It continues north through the settled areas of South Australia and is a total of long, fro ...
** Wilmington-Ucolta Road * Wilmington-Ucolta Road *
Main North Road Main North Road is the major north-south arterial route through the suburbs north of the Adelaide City Centre in the city of Adelaide, South Australia. It continues north through the settled areas of South Australia and is a total of long, fro ...


Outback tracks

Although not highways as such, unsealed outback tracks form important links to remote communities and areas, the significant ones include; *
Anne Beadell Highway Anne Beadell Highway is an outback unsealed track linking Coober Pedy, South Australia, and Laverton, Western Australia, a total distance of . The track was surveyed and built by Len Beadell, Australian surveyor, who named it after his wife. Th ...
*
Birdsville Track The Birdsville Track is a notable outback road in Australia. The track runs between Birdsville in south-western Queensland and Marree, a small town in the north-eastern part of South Australia. It traverses three deserts along the route, the St ...
*
Gunbarrel Highway The Gunbarrel Highway is an isolated desert track in the Northern Territory, South Australia and Western Australia. It consists of about of washaways, heavy corrugations, stone, sand and flood plains. The Gunbarrel Highway connects Victory D ...
*
Oodnadatta Track __NOTOC__ The Oodnadatta Track is an unsealed outback road in the Australian state of South Australia, connecting Marla in the north-west via Oodnadatta to Marree in the south-east. Along the way, the track passes the settlements of Oodnadatta ...
* Strzelecki Track


See also

*
Highways in Australia Highways in Australia are generally high capacity roads managed by state and territory government agencies, though Australia's federal government contributes funding for important links between capital cities and major regional centres. Prio ...
for highways in other states and territories * List of highways in Australia for roads named as highways, but not necessarily classified as highways *
Metropolitan Adelaide Transport Study The Metropolitan Adelaide Transport Study, or "MATS Plan" as it became known, was a comprehensive transport plan released in 1968 proposing a number of road and rail transport projects for the metropolitan area of Adelaide, South Australia. It ...
*
List of numbered roads in South Australia Road routes in South Australia assist drivers navigating roads in urban, rural, and scenic areas of the state. Today, all numbered routes in the state are allocated a letter (M, A or B) in addition to a one, two or three digit number, denoting d ...


References

{{reflist 01
Highways A highway is any public or private road or other public way on land. It is used for major roads, but also includes other public roads and public tracks. In some areas of the United States, it is used as an equivalent term to controlled-access ...
South Australia South Australia (commonly abbreviated as SA) is a state in the southern central part of Australia. It covers some of the most arid parts of the country. With a total land area of , it is the fourth-largest of Australia's states and territories ...
Highways A highway is any public or private road or other public way on land. It is used for major roads, but also includes other public roads and public tracks. In some areas of the United States, it is used as an equivalent term to controlled-access ...
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