Riddoch Highway

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Riddoch Highway

Riddoch Highway SA.jpg
The Riddoch Highway near Padthaway
Riddoch Highway
Australia South Australia location map.svg
Red pog.svg
North end
Red pog.svg
South end
Coordinates
General information
TypeHighway
Length239 km (149 mi) [1]
Route number(s)
  • AUS Alphanumeric Route A66.svg A66 (1998–present)
    (Keith–Mount Gambier)
  • AUS Alphanumeric Route B66.svg B66 (1998–present)
    (Mount Gambier–Port MacDonnell)
Major junctions
North endAUS Alphanumeric Route A8.svg Dukes Highway
Keith, South Australia
 
South endSea Parade
Port MacDonnell, South Australia
Location(s)
Region Limestone Coast [2]
Major settlements Padthaway, Naracoorte, Coonawarra, Penola, Tarpeena, Mount Gambier
Highway system

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, the first white settler landholder and vigneron in Coonawarra.

Contents

Route

The Riddoch Highway branches from the Dukes Highway at Keith and travels south through Padthaway, Naracoorte, Penola, Nangwarry, Tarpeena, and Mount Gambier to Port MacDonnell and nearby Cape Northumberland. [3] It passes through grazing and cereal-growing land, horticultural and vineyards (within the following wine regions - Padthaway, Wrattonbully, Coonawarra and Mount Gambier), and plantation timber, predominantly pinus radiata. [4]

Safety

The Royal Automobile Association of South Australia has rated the highway at 5/10. [5]

Major intersections

LGA [6] Location [1] [3] km [1] miDestinationsNotes
Tatiara Keith 0.00.0AUS Alphanumeric Route A8.svg Dukes Highway (A8)  Adelaide, Tailem Bend, Bordertown, Melbourne Northern terminus of highway and route A66
Naracoorte Lucindale The Gap 83.551.9AUS Alphanumeric Route B57.svg Bordertown-Naracoorte Road (B57)  Bordertown
Naracoorte 10968AUS Alphanumeric Route C240.svg Wimmera Highway (C240)  Hynam, Edenhope, Horsham, Marong Continues into VIC as route B240 along Wimmera Highway eventually to Marong
Wattle Range Glenroy14188AUS Alphanumeric Route C212.svg Edenhope Road (C212)  Edenhope Continues into VIC as route C212 along Edenhope-Penola Road eventually to Edenhope
Penola 15999AUS Alphanumeric Route C198.svg Casterton Road (C198)  Casterton Continues into VIC as route C198 along Casterton-Penola Road eventually to Casterton
Mount Gambier Mount Gambier 210130AUS Alphanumeric Route A1.svgAUS Alphanumeric Route B1.svg Princes Highway (A1 east, B1 west)  Millicent, Kingston SE, Portland Route transition: A66 north, B66 south
Grant Port MacDonnell 238148Sea Parade – Cape Northumberland Southern terminus of highway and route B66
  •        Route transition

See also

Australia road sign W5-29.svg   Australian Roadsportal

Related Research Articles

<span class="mw-page-title-main">Naracoorte, South Australia</span> Town in South Australia

Naracoorte is a town in the Limestone Coast region of South Australia, approximately 336 kilometres south-east of Adelaide and 100 kilometres north of Mount Gambier on the Riddoch Highway (A66).

<span class="mw-page-title-main">Limestone Coast</span> Region in South Australia

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Coonawarra is a small town north of Penola in South Australia. It is best known for the Coonawarra wine region named after it.

Tarpeena is a town and a locality on the Riddoch Highway between Penola and Mount Gambier in the Limestone Coast region of South Australia.

Port MacDonnell, originally known as Ngaranga is the southernmost town in South Australia. The small port located in the Limestone Coast region about 477 kilometres (296 mi) southeast of Adelaide and 28 kilometres (17 mi) south of Mount Gambier in the District Council of Grant local government area. Once a busy shipping port, the town now relies heavily on its fishing and summer tourism industries, particularly rock lobster harvest industry, proclaiming itself "Australia's Southern Rock Lobster Capital".

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<span class="mw-page-title-main">Mount Schank, South Australia</span> Suburb of District Council of Grant, South Australia

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Willalooka is a small service town and locality in the Limestone Coast region of South Australia. it is located on the Riddoch Highway between Keith and Padthaway. Christmas Rocks Conservation Park is north of the town adjacent to the highway.

<span class="mw-page-title-main">Mingbool, South Australia</span> Suburb of District Council of Grant, South Australia

Mingbool is a locality in the Australian state of South Australia located about 372 kilometres (231 mi) south-east of the state capital of Adelaide adjoining the border with the state of Victoria and about 16 kilometres (9.9 mi) north-west of the municipal seat of Mount Gambier.

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References

  1. 1 2 3 Google (6 June 2022). "Riddoch Highway" (Map). Google Maps . Google. Retrieved 6 June 2022.
  2. "Location SA Map viewer with regional layers". Government of South Australia . Retrieved 16 June 2022.
  3. 1 2 "Location SA Map viewer with suburb layers". Government of South Australia . Retrieved 16 June 2022.
  4. Longbottom, Mardi; Maschmedt, David and Pichler, Markus (2011), Unearthing viticulture in the Limestone Coast (PDF), p. 12, ISBN   978-0-646-56744-0, archived from the original (PDF) on 6 November 2014, retrieved 5 November 2014{{citation}}: CS1 maint: multiple names: authors list (link)
  5. "roadwatch report – riddoch highway" (PDF). RAA. September 2006. Retrieved 16 October 2007.
  6. "Location SA Map viewer with LGA layers". Government of South Australia . Retrieved 16 June 2022.