–New South Wales
|B-double truck on the Sturt Highway|
|Length||947 km (588 mi)|
|Route number(s)||A20 (2013/2017-present)|
|West end|| Gawler Bypass|
Gawler, South Australia
|East end|| Hume Motorway|
Tarcutta, New South Wales
|Region||Barossa Light and Lower North, Murray and Mallee, Loddon Mallee, Far West, Riverina, South Western Slopes|
|Major settlements||Nuriootpa, Renmark, Mildura, Balranald, Hay, Narrandera, Wagga Wagga|
Sturt Highway is an Australian national highway in New South Wales, Victoria, and South Australia. It is an important road link for the transport of passengers and freight between Sydney and Adelaide and the regions situated adjacent to the route.
Initially an amalgam of trunk routes, the 947-kilometre (588 mi) Sturt Highway was proclaimed a state highway in 1933. In 1955, the Australian Government gazetted the highway as a National Route, and upgraded it as a National Highway in 1992, forming the Sydney-Adelaide Link. The Sturt Highway is allocated route A20 for its entire length, the majority of which is a single carriageway, and freeway standard and 6-lane arterial road standard towards its western terminus in Gawler.
The highway runs generally east-west, roughly aligned to the southern bank of the Murrumbidgee River in New South Wales, then, following that river's confluence with the Murray River, aligned to the Murray in north-western Victoria and eastern South Australia, generally towards the northern outskirts of Adelaide. The highway is the shortest, highest-standard route between Sydney and Adelaide.
The eastern terminus of the Sturt Highway is at a junction with the Hume Highway at Tarcutta, near Gundagai. Heading west, the Sturt passes through the city of Wagga Wagga and the towns Narrandera, Darlington Point, Hay, Balranald, Euston, leaving NSW by crossing the Murray River into Victoria from Buronga to Mildura. The highway continues more or less due west through the northwest of Victoria before entering South Australia. In South Australia, the Sturt Highway passes Renmark, Monash, Barmera, Waikerie, Blanchetown and Nuriootpa, where it reaches its western terminus on Main North Road on the outskirts of Gawler.
The route now known as the Sturt Highway originated from stock routes cut across southern New South Wales through the 19th century: overlanders would travel from Sydney's Main South Road (now the Hume Highway) to Albury, and follow along the southern bank of the Murray River to Adelaide. Edward John Eyre, the English explorer, travelled from Limestone Plains (now Canberra) to Adelaide via this route in 1837, as did Charles Sturt in 1838, before Eyre on his second run to South Australia headed west following the northern bank of the Murrumbidgee River instead, crossing it at its junction with the Murray close to Boundary Bend, and proceeded to Adelaide from there. The road pioneered by Eyre in 1839 left the Hume Highway at Gundagai and followed the northern bank of the Murrumbidgee through the sites of Wagga Wagga, Narrandera, Hay and Balranald, and the north bank of the Murray River through the sites of Euston and Wentworth, passing north of Lake Victoria to the border with South Australia and onwards to Renmark; by 1852 a mail service by horseback operated from Wagga Wagga as far west as Balranald.
The route used by coaches between Wagga Wagga and the South Australian border as late as 1914 ran along the northern bank of the Murrumbidgee to Darlington Point - a bridge was built across the river in 1905, replacing a punt service operating from 1886 - and then along the river's southern bank to Hay, crossing the river again (a bridge in Hay had opened in 1874 by Sir Henry Parkes, replacing a ferry service operating since the 1850s). The route then travelled the northern side of the Murrumbidgee again through Maude and Balranald and onwards to Adelaide; by 1919 the route from Hay had been altered to travel the river's southern bank to Maude, before departing the water course for a more-direct route to Balranald (crossing the river there by a bridge opened in 1876).
By 1928, the route had shifted south of the Murrumbidgee River between Tarcutta and Narrandera: the route had been classified as a main road between the Hume Highway and Maude at this time. In September 1929, the route of the main road from Narrandera to Darlington Point had shifted to the southern side of the river, thus following the present route east from Balranald. In the same year, the section of road between Wagga Wagga to Hay was declared a Trunk Road (#58); in 1930, this length was named the Sturt Track in honour of Captain Charles Sturt who explored the area a century earlier and opened it up for agriculture. The route now known as the Sturt Highway (State Highway #14) was proclaimed in 1933, extending from Tarcutta to Wagga Wagga, along the Sturt Track to Hay, via Balranald and Wentworth into South Australia, eventually to Adelaide via Renmark. In 1939, the Sturt Highway was rerouted to run via Mildura, using the former alignment of the Murray Valley Highway (constructed in 1927 to provide a shorter, all-weather road connection between Mildura and Renmark, already declared a State Highway by the Country Roads Board of Victoria in September 1932) to make it the most direct route to Adelaide.
The Sturt Highway was later signed National Route 20 across its entire length in 1955. The Whitlam Government introduced the federal National Roads Act 1974, where roads declared as a National Highway were still the responsibility of the states for road construction and maintenance, but were fully compensated by the Federal government for money spent on approved projects.: S7 As an important interstate link between the capitals of New South Wales and South Australia, the Sturt Highway was declared a National Highway in 1992. With all three states' conversion to their newer alphanumeric systems between the late 1990s to the early 2010s, its former route number was updated to A20 for the highway within Victoria (in 1997), South Australia (in 1998), and eventually the New South Wales section (in 2013).
The passing of the Road Management Act 2004 through the Parliament of Victoria granted the responsibility of overall management and development of Victoria's major arterial roads to VicRoads: in 2004, VicRoads re-declared Sturt Highway (Arterial #6610) from the border with South Australia at Murray-Sunset to the border with New South Wales in Mildura.
This section needs additional citations for verification. (January 2014)
None of the Sturt Highway was originally constructed as dual-carriageway, however work commenced in January 2007 to upgrade the highway to two lanes each way dual carriageway between the Gawler Bypass and Greenock in the Barossa Valley. The project was completed in 2010 with budget savings directed towards further Sturt Highway improvements.
Northern Expressway was built at the south-western end of the Sturt Highway, as part of an AusLink/Government of South Australia project to build a new freeway-standard road as part of the North–South Corridor project, providing better access for road transport to Port Adelaide and the industrial areas west and northwest of the city.
Other projects in South Australia include a number of overtaking lanes added in the 2000s and 2010s to help make it safer with the high volume of traffic. Major 'S'-bend curves near Waikerie were realigned, and further upgrades to the road were performed up to 2012.
Significant route changes
The original route of the Sturt Highway in the Riverland passing through Berri and Glossop was bypassed to pass through Monash in 1995; the former alignment is now known as the Old Sturt Highway, route B201. The original route also passed through the middle of the Barossa Valley along what is now the Barossa Valley Way. This first changed to a route passing to the north of Nuriootpa around to the north and west of Gawler on the Gawler Bypass and Main North Road to Gepps Cross. It later changed to use the Northern Expressway instead. The more recent road duplication led to it bypassing Daveyston and Shea-Oak Log instead of passing through these small towns.
A new alignment is proposed to be built to the north of the town of Truro to remove the highway traffic from the main street of the town. The bypass is proposed to be funded by the Australian government for $161.6 million and state government $40.4 million. Construction is expected to start late in 2022 and be completed by the end of 2026. The project will also adjust the alignment to reduce the steep hill between the Murray Flats and Truro. It will be built to a standard suitable for triple road trains.
There is also the proposed Mildura Truck Bypass, to be funded by Auslink 2.
Major river crossings
From east to west, the Sturt Highway follows much of the course of the Murrumbidgee River, on its southern banks, from the Sturt's eastern terminus with the Hume Motorway. At Balranald the Sturt Highway crosses the Murrumbidgee, carrying the highway to the north of the river via the Balranald Bridge. To the west and south-west, the Sturt Highway crosses the Murray four times; between Buronga and Mildura, carrying the highway to the south of the Murray over the George Chaffey Bridge, a high concrete-girder bridge that was opened in 1985; between Paringa and Renmark, carrying the highway to the north of the Murray over the Paringa Bridge, a lift-span bridge which used to have a railway through the middle as well as the road carriageway on each side; between Cobdogla and Kingston On Murray, carrying the highway to the south of the Murray over the Kingston Bridge, a high bridge from an embankment on the right bank to the cliffs on the left bank; and at Blanchetown, carrying the highway from east to west over the Murray (as the river flows south) over the Blanchetown Bridge, another high bridge to cliffs on the river's western bank.
The bridge at Blanchetown was originally opened in 1964. It replaced cable ferries, and was itself replaced in 1998 in response to concern about its ability to continue to carry B-double trucks. The bridge at Kingston On Murray was opened in 1973 also replacing a very busy ferry crossing.
|South Australia||Light||Gawler Belt-Ward Belt boundary||0.0||0.0||Gawler Bypass (A20) – Elizabeth, Gepps Cross||Western terminus of highway, route A20 continues southwest along Gawler Bypass|
|Northern Expressway (M2) – Waterloo Corner, Wingfield, Adelaide||Westbound entrance to and eastbound exit from Northern Expressway only|
|Gawler Belt-Reid-Willaston tripoint||0.2||0.12||Morgan railway line|
|Gawler Belt-Reid boundary||1.4||0.87||Weyland Road – Gawler, Mallala, Balaklava||Westbound entry and exit only|
|2.0||1.2||Redbanks Road – Gawler, Mallala, Balaklava||Eastbound entry and exit only|
|Gawler Belt-Hewett boundary||2.9||1.8||Horrocks Highway (B82) – Tarlee, Clare, to Thiele Highway (B81) – Freeling, Kapunda|
|Greenock||23||14||Greenock Road – Greenock, Kapunda|
|Nuriootpa||31||19||Barossa Valley Way (B19) – Tanunda, Lyndoch|
|Mid Murray||Truro||42||26||Truro Road – Kapunda|
|44||27||Eudunda Road – Eudunda|
|Annadale||65||40||Halfway House Road – Sedan, Mannum||Heavy vehicle detour to South Eastern Freeway via Murray Bridge (D1)|
|River Murray||91||57||Blanchetown Bridge|
|Loxton Waikerie||Paisley||92||57||Hunter Road – Swan Reach, Mannum|
|Waikerie||129||80||Old Waikerie Road – Waikerie|
|Kingston On Murray||166||103||Kingston Road – Loxton|
|River Murray||168||104||Kingston Bridge|
|Berri Barmera||Barmera||179||111||Old Sturt Highway (B201) – Berri|
|Monash||185||115||Goyder Highway (B64) – Morgan, Crystal Brook|
|194||121||Old Sturt Highway (B201) – Berri|
|River Murray||211||131||Paringa Bridge|
|Renmark Paringa||Pike River||222||138||Stanitzki Road – Loxton, Murray Bridge|
|State border||234||145||South Australia – Victoria state border|
|Victoria||Mildura||Neds Corner||268||167||Meringur North Road – Meringur|
|Mildura||343||213||Seventeenth Street (Calder Highway) (A79 north) – Merbein, Wentworth, Broken Hill||Concurrency with route A79|
|345||214||Fifteenth Street (Calder Highway) (A79 south) – Ouyen, Bendigo, Melbourne|
|347||216||Eleventh Street (C256) – Merbein, Mildura|
|348||216||Mildura railway line|
|349||217||Seventh Street (C255) – Irymple|
|State border||351||218||Victoria – New South Wales state border|
|New South Wales||Murray River||353||219||George Chaffey Bridge|
|Wentworth||Buronga||352||219||Silver City Highway (B79) – Wentworth, Broken Hill|
|Balranald||Euston||431||268||Murray Valley Highway – Robinvale, Swan Hill|
|Murrumbidgee River||509||316||Balranald Bridge|
|Balranald||Balranald||510||320||Ivanhoe Road – Ivanhoe|
|511||318||Yanga Way – Tooleybuc, to Mallee Highway (B12) – Ouyen, Adelaide|
|Hay||Maude||583||362||Maude Road – Maude, Moulamein|
|Hay||638||396||Cobb Highway (B75) – Wilcannia, Echuca, to Mid-Western Highway (B64) – West Wyalong, Cowra||Roundabout|
|Murrumbidgee||Darlington Point||752||467||Kidman Way (B87) – Griffith, Cobar, Jerilderie|
|Narrandera||Narrandera||807||501||Tocumwal railway line|
|808||502||Newell Highway (A39 south) – Jerilderie||Concurrency with route A39|
|809||503||Newell Highway (A39 north) – West Wyalong, Parkes, Dubbo|
|Wagga Wagga||Wagga Wagga||899||559||Olympic Highway (A41 south) – Albury||Concurrency with route A41|
|902||560||Olympic Highway (A41 north) – Junee|
|904||562||Main Southern railway line|
|Tarcutta||947||588||Hume Motorway (M31) – Albury, Sydney, Canberra||Eastern terminus of highway and route A20|
Towns on the Sturt Highway
New South Wales
Sturt Highway marked as A20 near Gumly Gumly
Sturt Highway through Wagga Wagga, New South Wales
The Sturt Highway through Truro, South Australia
The junction of the Sturt and Olympic highways
- Highways in Australia
- List of highways in New South Wales
- List of highways in South Australia
- List of highways in Victoria
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- "STURT HIGHWAY". Moree Gwydir Examiner and General Advertiser. NSW: National Library of Australia. 9 December 1935. p. 2. Retrieved 9 September 2014.
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- National Roads Act 1974 (Cth)
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- "The Official opening of Blanchetown Bridge by the Honourable Sir Thomas Playford G.C.M.G., M.P., Premier of South Australia, on Friday, 24th April, 1964 : souvenir". Highways Department. Government of South Australia. 1964. Retrieved 8 September 2014.
- "From one side to the other, to commemorate the opening of the new bridge, November 1998". Blanchetown Bulletin Committee. 1998. Retrieved 8 September 2014.
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- "Location SA Map viewer with LGA layers". Government of South Australia. Retrieved 16 June 2022.
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