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South Eastern Freeway

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This article is about the freeway in South Australia. For similarly named roads, see South Eastern Freeway (disambiguation).

South Eastern Freeway

South Australia
Map
South Eastern Freeway is located in South Australia
West end
West end
East end
East end
Coordinates
General information
TypeFreeway
Length73.1 km (45 mi)[1]
Opened1967–2000
Route number(s) M1 (2017–present)
Former
route number
  • National Highway M1 (1998–2017)
  • National Highway 1 (1974–1998)
  • National Route 1 (1967–1974)
Major junctions
West end Glen Osmond Road
Glen Osmond, Adelaide
 
East end Princes Highway
Long Flat, South Australia
Location(s)
RegionEastern Adelaide, Adelaide Hills, Murray and Mallee[2]
Major suburbs / townsCrafers, Stirling, Bridgewater, Hahndorf, Mount Barker, Callington, Monarto, Murray Bridge
Highway system

South Eastern Freeway is a 73 km (45 mi) 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 is signed as route M1. It carries traffic over the Adelaide Hills between Adelaide and the River Murray, near Murray Bridge, where it is connected via the Swanport Bridge to the Dukes Highway, which is the main road route to Victoria.

It was formerly signposted as Princes Highway, which refers to the coastal route from Adelaide to Sydney via Melbourne.

It is often referred to by South Australians simply as the freeway, as it was the first freeway in South Australia, and is still the longest, and the only one with "Freeway" in its name rather than "Expressway" or "Highway". South Eastern Freeway includes 500 m (1,600 ft) twin-tube tunnels – the Heysen Tunnels – in the descent towards Adelaide, the first of their kind on the National Highway.

Route

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South Eastern Freeway commences at the intersection with Glen Osmond Road, Cross Road and Portrush Road in Glen Osmond, and heads southeast as a six-lane, dual-carriageway route. As it traverses across – and through, in one section, via the Heysen Tunnels – the Adelaide Hills, and due the fact the freeway is a major freight route, it also features arrester beds and concrete median barriers, with street lighting between Glen Osmond and Crafers. The freeway narrows to four lanes just before it bypasses Crafers, and continues in a south-easterly direction, past Stirling, Hahndorf and Mount Barker, before narrowing further to a two-lane, single-carriageway, crossing the Murray River over the Swanport Bridge, to terminate just east of the crossing in Long Flat, south-east of Murray Bridge.

History

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Prior to the initial construction of the freeway in the 1960s, inbound and outbound road traffic between Adelaide and south-eastern South Australia or Victoria used a two-lane highway originally built in the early part of the 20th century. With growth in Adelaide's population, issues of congestion and safety mandated reconstruction. Studies began in 1962 for a freeway commencing from Crafers, that endpoint selected arguably due to the massive expenditure required with the precedent upgrade of the Mount Barker Road.[clarification needed]

Construction began in 1965 from Crafers. The first stage of eastbound traffic lanes were opened in 1967, and the first westbound section opened in 1969. The freeway was opened in stages as construction progressed. The final section bypassing the town of Murray Bridge and connecting to the new Swanport Bridge over the River Murray opened in 1979, providing an alternative to the historic bridge in Murray Bridge.

The Adelaide–Crafers Highway extension came as a much-needed upgrade and replacement to the previous link road, the Mount Barker Road,[3] which had been contoured to the Adelaide Hills, giving rise to many steep turns, ascending a tortuous route. The tightest hairpin turn on the Mount Barker Road was infamous as the Devil's Elbow, often the site of car and semi-trailer accidents.[4]

On 16 May 1995, Prime Minister Paul Keating announced the construction of the new Adelaide-Crafers section. The Heysen Tunnels, named after well-known South Australian artist and benefactor Hans Heysen, were completed in 1998. Construction was completed in early 2000. In March 2000, Prime Minister John Howard opened the new road.[5] It was the largest South Australian road project at that time, costing A$151 million, wholly funded by the Australian Federal Government.

South Eastern Freeway from Mount Barker Summit

An additional exit was built at Monarto around 1999 to service an expanding commercial zone and the Monarto Zoo in the area.[6] Another exit was announced in 2014 at Bald Hills Road, 4 km southeast of the Mount Barker interchange to service growing housing estates in southern Mount Barker and Nairne.[7][8] Bardavcol started construction in May 2015, with the interchange including entry and exit ramps in both directions. The $27mil project was funded with $16mil by the Federal Government, $8mil by the Government of South Australia and $3mil from the Mount Barker District Council.[9] The new interchange opened on 15 August 2016.[10]

The Freeway bypasses many towns previously along the Princes Highway, including:

Road safety

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Shortly after the Adelaide–Crafers section opened, several incidents involving semi-trailers drew media attention to the road. While the previous Mount Barker Road was a notorious stretch, its dangers were well known; the new freeway presented the new challenge of a sustained continuous gradient with traffic lights at the bottom. Heavy vehicles with inadequate braking found it hard to slow down once they had exceeded a certain speed; this was made worse with brake failures. It took some time, and the addition of several warning signs prior to the descent, for heavy vehicles to become familiar with the freeway's characteristics. Semi-trailers can be seen travelling as slow as 20–30 km/h downhill. In 2005 changeable electronic road signs were installed every 200 metres, so that the speed limit of the road can be adjusted from Transport SA headquarters in Adelaide. This has both improved safety for commuters, and emergency service workers like the Country Fire Service.

In 2010 and 2011, after more incidents involving trucks having problems successfully braking down the hill, including one going into a bus stop, and another going straight through the intersection at the bottom, the government added new laws that any vehicle with 5 axles or more must stay in the left lane and must not exceed a 60 km/h limit from the interchange at Crafers to the old tollhouse. More safety cameras were installed in an attempt to ensure trucks abide by this new limit.

Additional signs for the two arrester beds on the descent have been added, to encourage out of control drivers to use them as a safer alternative.

In August 2014, another truck descending the hills collided with cars at the intersection of Glen Osmond Road. Two people were killed.[11] A driver of a sewage truck lost control after passing the arrestor beds. The driver was a new employee, who had never driven a manual truck before, and had never driven any vehicle on this segment of road.[12] Driver Darren Hicks was seriously injured and testified against employer Cleanaway at a criminal trial after being granted immunity.[13] The prosecution, brought by Comcare, heard that the brakes on the vehicle were defective. In 2021 Cleanaway was convicted of eight charges under health and safety legislation.[14]

Connections

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The Adelaide end of South Eastern Freeway leads downhill to traffic lights at the intersection of Glen Osmond Road which continues northwest as route number A1 into the Adelaide city centre, Portrush Road north to bypass the city and towards Port Adelaide, and Cross Road which leads west towards the southern suburbs of Adelaide.

The southeastern end of the freeway, near Murray Bridge, feeds onto the Swanport Bridge, a two-lane, 1-kilometre-long (0.62 mi) bridge over the River Murray, where it joins Princes Highway, a dual-carriageway highway to Tailem Bend. At this point, Highway 1 becomes a two-laned, two-way scenic route which passes through many coastal towns of South Australia and Victoria. The National Highway continues to Melbourne as Dukes Highway (A8) from Tailem Bend to the Victorian border and beyond as Western Highway.

Exits and intersections

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LGA[15]Location[1][16]km[1]miDestinationsNotes
Unley–Burnside–Mitcham tripointMyrtle Bank–Urrbrae–Glen Osmond tripoint00.0 Cross Road (A3 west) – Plympton, Unley Park
Glen Osmond Road (A1 northwest) – Adelaide CBD, Frewville
Portrush Road (A17 north) – Northfield, Payneham, Norwood		Northwestern terminus of freeway and route M1
Route A1 continues northwest along Glen Osmond Road
Burnside–Mitcham boundaryMount Osmond–Leawood Gardens boundary2.21.4Mount Osmond Road – Mount OsmondFour ramp parclo interchange
Leawood Gardens3.22.0Mount Barker Road – Eagle On The Hill, Devil's ElbowSoutheast bound exit and north-westbound entry only
Burnside4.12.5Heysen Tunnels northern portal
Adelaide HillsCrafers West4.62.9Heysen Tunnels southern portal
6.74.2Mount Barker Road – Eagle On The Hill, Devil's ElbowNorthwest bound exit and southeast bound entry only
Crafers8.05.0 Mount Lofty Summit Road (B28 north) – Crafers, Mount Lofty
Waverley Ridge Road (B28 south) – Belair
Stirling9.25.7 Mount Barker Road (B33) – Stirling, Aldgate
Bridgewater13.88.6Carey Gully Road – Bridgewater, Carey Gully
15.19.4Adelaide–Wolseley railway line
Verdun16.910.5 Mount Barker Road (B34) – Hahndorf
to Onkaparinga Valley Road (B34) – Balhannah, Birdwood		Southeast bound exit and northwest bound entry only
Mount BarkerMount Barker–Littlehampton–Totness tripoint25.215.7 Adelaide Road (B37) – Mount Barker, Littlehampton, Strathalbyn
Mount Barker–Littlehampton boundary25.816.0Victor Harbor railway line
Mount Barker–Blakiston–Nairne tripoint28.918.0Bald Hills Road – Mount Barker, Nairne
Murray BridgeCallington45.528.3Callington Road – Callington, Strathalbyn
Monarto South54.233.7Ferries McDonald Road – Monarto, Monarto Safari Park
White Hill–Murray Bridge boundary63.539.5 Old Princes Highway (B55) – White Hill, Murray BridgeSoutheast bound exit and northwest bound entry only
Murray Bridge–Murray Bridge South boundary69.243.0 Swanport Road (B35) – Murray Bridge, Swanport, Wellington
Murray River70.6–
71.6		43.9–
44.5		Swanport Bridge
Murray BridgeLong Flat–Monteith boundary73.145.4Old Princes Highway – Murray Bridge East
to Karoonda Highway (B55) – Loxton, Berri
Princes Highway (A1) – Tailem Bend, Pinnaroo, Bordertown, Mount GambierSoutheastern terminus of freeway and route M1
Route A1 continues southeast along Princes Highway
[edit]
  • Eastern portal of the Heysen tunnels on the revamped freeway.
    Eastern portal of the Heysen tunnels on the revamped freeway.
  • Driving towards Murray Bridge on former Adelaide–Crafers Highway.
    Driving towards Murray Bridge on former Adelaide–Crafers Highway.
  • Former Adelaide–Crafers Highway on a foggy day.
    Former Adelaide–Crafers Highway on a foggy day.
  • Former Adelaide–Crafers Highway at Crafers.
    Former Adelaide–Crafers Highway at Crafers.
  • Eagle on the Hill is directly above the tunnel entrance, with the old road winding round from Devil's Elbow.
    Eagle on the Hill is directly above the tunnel entrance, with the old road winding round from Devil's Elbow.

See also

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References

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  1. ^ a b c "South Eastern Freeway" (Map). Google Maps. Retrieved 29 June 2022.
  2. ^ "Location SA Map viewer with regional layers". Government of South Australia. Retrieved 16 June 2022.
  3. ^ "Old and New Road Names". City of Burnside. 8 March 2006. Archived from the original on 29 August 2007. Retrieved 14 July 2007.
  4. ^ "Crash At Devil's Elbow". The Advertiser (Adelaide). South Australia. 16 October 1936. p. 32. Retrieved 27 October 2019 – via National Library of Australia.
  5. ^ "The Adelaide Crafers Highway Project". Government of South Australia, Department for Transport, Energy and Infrastructure. 13 August 2004. Archived from the original on 29 August 2007. Retrieved 14 July 2007.
  6. ^ Jensen Planning and Design (December 2008). "Existing Land Use". MONARTO SOUTH INTERMODAL AND LAND USE STUDY Final Report (PDF) (Report). Monarto Common Purpose Group. p. 40. Retrieved 18 July 2014.
  7. ^ "Bald Hills Road Interchange". Department of Planning, Transport and Infrastructure. 16 July 2014. Retrieved 18 July 2014.
  8. ^ Nankervis, David (15 July 2014). "Watch how the new Mt Barker freeway interchange at Balds Hill Rd will work". The Advertiser. News Limited. Retrieved 18 July 2014.
  9. ^ Jamie Briggs (1 April 2015). "Joint Media Release - Briggs/Mullighan - Delivering the full Bald Hills Road interchange - Wednesday, 1 April 2015" (Press release). Retrieved 1 April 2015.
  10. ^ "New Freeway Interchange Bald Hills Road". Mount Barker District Council. Retrieved 3 September 2016.
  11. ^ "Horrific South Eastern Freeway truck crash claims second life in Adelaide". Archived from the original on 22 August 2014. Retrieved 2 April 2015.
  12. ^ Dillon, Megan (2 December 2019). "Cleanaway truck driver in double fatality had never driven manual before, court hears". ABC. Retrieved 9 May 2021.
  13. ^ Dillon, Megan (2 December 2019). "Cleanaway truck driver in double fatality had never driven manual before, court hears". ABC. Retrieved 9 May 2021.
  14. ^ Campbell, Claire (19 April 2021). "Cleanaway Operations found guilty of failing to adequately train driver over 2014 freeway crash". ABC. Retrieved 9 May 2021.
  15. ^ "Location SA Map viewer with LGA layers". Government of South Australia. Retrieved 16 June 2022.
  16. ^ "Location SA Map viewer with suburb layers". Government of South Australia. Retrieved 16 June 2022.
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