Castlereagh Highway

Castlereagh Highway
Queensland–New South Wales
Dick O'Brien Bridge (1991) carrying Castlereagh Highway over Barwon River, Walgett, NSW.
General information
Type Highway
Length 790 km (491 mi)[1]
Route number(s)
Former
route number
Major junctions
North end
 
South end
Location(s)
Major settlements Hebel, Walgett, Gilgandra, Mudgee, Cullen Bullen
Highway system
Highways in Australia
National Highway • Freeways in Australia
Highways in Queensland
Highways in New South Wales
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The Castlereagh Highway is a 790-kilometre (490 mi)[1] state highway located in New South Wales and Queensland, Australia. The highway's northern terminus is at a junction with the Carnarvon Highway, south of St George, Queensland. Its southern terminus is at a junction with the Great Western Highway at Marrangaroo, 10 kilometres (6.2 mi) north of Lithgow. From north the south the highway traverses South West Queensland and the North West Slopes, Orana, and Central West regions of New South Wales.

The highway is part of the 'Great Inland Way' linking Sydney and Cairns, and provides all-weather access to rugged black opal country of Lightning Ridge.[2]

The Castlereagh Highway was named in 1954 after the Castlereagh River – which it parallels for most of its journey north from Gilgandra[3] – with the river named in honour of Lord Castlereagh.[4]

Route

The highway was extended past Gilgandra to include state route 86 in October 1997. As such the Castlereagh Highway starts just outside Lithgow at a junction with the Great Western Highway and runs in a north-westerly direction through Ilford and the junctions of Bathurst-Ilford Road and Bylong Valley Way, through the regional centre of Mudgee and Gulgong. From there the Castlereagh Highway is concurrent with the Golden Highway through Dunedoo, then branches off in Dunedoo, continuing past Gilgandra until it reaches the Queensland border via Walgett at Hebel. From there it continues to the outskirts of St George where it terminates with the Carnarvon Highway.[5]

The highway was signed National Route 55 in 1974 north of Gilgandra, and State Route 86 south of Gilgandra. Queensland however signed the Carnarvon Highway as National Route 55 rather than the Castlereagh Highway, causing a major discrepancy for many years in that National Route 55 met the border at Hebel but abruptly begun again over 100 kilometres (62 mi) east along the border at Mungindi. The Queensland Road Department changed this and signed National Route 55 over the border north to Charters Towers in later years. This route was soon replaced with the A7 and A55 designations throughout Queensland in 2005, and the B55 designation in NSW during 2013 to Gilgandra and then south to Lithgow, replacing both State Route 86 and National Route 55.[3][6]

Major junctions

StateLGA / LGALocationkm[1]miDestinationsNotes
QueenslandBalonneSt George00.0 Carnarvon Highway (A55) – St George, Surat, Roma
Carnarvon Highway (46) – Goondiwindi, Mungindi and to Moree		T intersection northern terminus; north (A55) and southeast (46) as the Carnarvon Highway
Noondoo6842Noondoo-Mungindi Road – MungindiT intersection; Castlereagh Highway continues south
Dirranbandi8855Railway StreetT intersection; Castlereagh Highway continues south
9056Dirranbandi Hebel RoadT intersection; Castlereagh Highway continues south
Hebel15496William Street – GoodoogaT intersection; Castlereagh Highway continues south
Queensland – New South Wales state border165103Queensland – New South Wales state border north as A55;
south as B55
New South WalesWalgettKarloo274170 Gwydir Highway (B76) – CollarenebriT intersection; Gwydir Highway south-western terminus; Castlereagh Highway continues south
Walgett284176Kamilaroi Highway (no shield) – NarrabriT intersection; Castlereagh Highway continues south; Kamilaroi Highway continues east
Barwon River287178Bridge over the river (no known name)
WalgettWalgett289180 Kamilaroi Highway (B76) – NarrabriCastlereagh Highway continues south; Kamilaroi Highway continues west; concurrency terminus
Namoi River294183Bridge over the river (no known name)
Castlereagh River411255Bridge over the river (no known name)
Castlereagh River469291Bridge over the river (no known name)
GilgandraGilgandra501311Oxley Highway – Warren, NevertireT intersection; Oxley Highway continues west; Castlereagh Highway continues south
502312 Newell Highway – DubboT intersection; Newell Highway continues south and east: Castlereagh Highway continues east
502312 Newell Highway – Coonabarabran, Moree to Oxley Highway – Gunnedah, Tamworth, Port MacquarieT intersection; Newell Highway continues north; Castlereagh Highway continues southeast; concurrency terminus
Castlereagh River508316Bridge over the river (no known name)
Castlereagh River547340Bridge over the river (no known name)
WarrumbungleMendooran553344Mendoran Road – Binnaway, CoonabarabranT intersection; Castlereagh Highway continues east
Dunedoo591367 Golden Highway – DubboY intersection; Golden Highway continues west
Talbragar River596370Bridge over the river (no known name)
WarrumbungleDunedoo601373 Golden Highway – Merriwa to Singleton, NewcastleT intersection; Castlereagh Highway continues south; Golden Highway continues east; concurrency terminus
Wialdra Creek645401Bridge over the river (no known name)
Cudgegong River663412Bridge over the river (no known name)
Mid-WesternIlford725450Bylong Valley Way – Kandos, Rylstone, Bylong, Sandy HollowT intersection; Castlereagh Highway continues south; Bylong Valley Way western terminus
727452Bathurst-Ilford Road – Sofala, BathurstCastlereagh Highway continues south
LithgowMarrangaroo790490 Great Western Highway (A32) – Bathurst, Lithgow, SydneyDirectional T interchange; southern terminus; east and west as the Great Western Highway
1.000 mi = 1.609 km; 1.000 km = 0.621 mi

See also

References

  1. 1 2 3 Great Western Highway & Castlereagh Highway & A32, Marrangaroo NSW 2790 to Ergon Sub Yard, 11252 Carnarvon Highway, Saint George QLD 4487 (Map). Google Maps, Google Inc. 2016. Retrieved 30 October 2016.
  2. ↑ "Welcome to Castlereagh Highway". Lonely Planet. 2016. Retrieved 30 October 2016.
  3. 1 2 "Castlereagh Highway (NSW)". Ozroads. Retrieved 30 October 2016.
  4. ↑ "Castlereagh River". Geographical Names Register (GNR) of NSW. Geographical Names Board of New South Wales. Retrieved 18 January 2013.
  5. ↑ "Map of Castlereagh Highway". Bonzle Digital Atlas of Australia. Digital Atlas Pty Limited. 2016. Retrieved 30 October 2016.
  6. ↑ "Castlereagh Highway (NSW)". Australian Towns, Cities and Highways. Brisbane, Australia: MG. June 2006. Retrieved 30 October 2016.
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